Humidity Sensor: 5月 2012

2012年5月31日星期四

Temperature-Humidity Chambers

Temperature-humidity chambers refer to specially designed pieces of equipment used in stability testing to test how well a product or material retains its quality over its lifetime. This equipment provides a trusted and reliable way to conduct stability testing on biological items, industrial products, materials and pharmaceutical products.

These chambers can be used to simulate the exposure of a number of different environmental conditions on products and materials. Some of these environmental conditions include:

• Extreme temperatures

• Sudden and extreme temperature variations

• Moisture or relative humidity

• Electro-dynamic vibrations

• Electromagnetic radiation

• Salt spray

• Rain

• Weathering

• Exposure to sun (causing UV degradation)

When selecting a temperature-humidity chamber, it is essential to thoroughly research what is available in the market based and select the best one based on the needs of each individual project.

Testing Humidity with Chambers:

Temperature-humidity chambers are able to simulate a variety of different weather conditions. In the following section of the article, we will explore how they can be used to test what effect humidity would have on a particular product.

Step 1:

Pierce a humidity capsule and place it in the chamber to create the required levels of humidity. Humidity capsules can be used to produce levels of relative humidity in the range of 0-95%, increasing at 5% increments. The particular humidity capsule should be chosen based on the aims of each particular test.

Step 2:

Place the test sample in a separate section of the chamber.

Step 3:

Place a sensor cap to on top of the unit to tightly seal the temperature-humidity chamber. This will allow you to measure the level of humidity within the unit for the duration of the test.

Step 4:

Affix a logger cap onto the base of the chamber. The logger cap can be connected to any laptop or computer via a USB cable or a wireless connection. If your test is being performed outside of wireless range, you can use aerials and cabling to broadcast the signal of your unit.

Step 5:

Incubate tests at the required temperature. When the tests are complete dispose of the temperature-humidity chamber. Using a temperature-humidity chamber to conduct stability testing can result in a number of practical benefits such as:

• Act as suitable environmental chambers

• Each test is monitored in its own micro-humidity chamber

• You can select from a full range of temperature, weather and humidity conditions

• Allow you to continuously collect data throughout the study for each test

• Chambers assist with lowering cross contamination and improving sample integrity

• The sensors of each chamber can be easily calibrated

• Eliminate the need for alt solutions or desiccators

• Units are easy to set-up

• Units are ideal for working with toxic materials

• The system can be used for monitoring and mapping applications

• Data can be automatically backed up throughout the project.

Temperature-Humidity Chambers from Amebis Ltd. Pharmeceutical testing specialists in the US and Europe.

http://www.amebisltd.com/

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Moisture Sensors And Their Importance In The Agricultural Industry

It is not necessary at all to be an expert in agriculture or to have green fingers in order to know that water is essential for a healthy plant growth. Water provides plants and crops with the ability to absorb the minerals and nutrients that are present in the soil and, together with the appropriate sun light do the process of photosynthesis we have all studied at school.

Whenever plants receive the amount of water they require ?they grow healthily but when they are deprived of water they suffer from stress, turn yellower, dry out and finally die. For any of us who has a small balcony with a couple of plants it can sometimes be trickier to know exactly when a plant needs water and, what is even more difficult, determine the correct amount of water it needs. Thus, we touch the soil to see if it is wet or dry and end up pouring some water on it at least twice a week.

It is easy to imagine that, if knowing when a small plant in a flower pot needs watering is difficult, knowing when and how much a crop or a large garden needs watering is even more complex. If crops are not taken care properly, they can get lost and farmers can lose a lot of money. Therefore, it is of utmost importance to know when and how much to water them. In such complex scenario, there is no room for guessing. And this is exactly why moisture analysers, also usually referred to as moisture sensors, play such a significant role. In fact, many a time the experts that are in charge of large crops or gardens usually pair their moisture sensors with their irrigation channels. Thus, when the moisture analyser detects that the soil is dry enough to require watering, the irrigation system is automatically triggered.

Moisture sensors or humidity analysers are highly sensitive devices that estimate the humidity present in a certain product or item, whether it is potato chips, coffee beans, house paint or soil. In the particular case of soil humidity analysers, these devices report how much water is present in the soil by means of determining the soil's ability to transmit electricity. The wetter the soil is, the more electricity the soil will be able to transmit. Thus, it is really easy for agriculture experts to read the reports and know if the crops needs to be watered and, if they do, how much water they need. If these sensitive devices are used in combination with an automatic irrigation system such as water sprinklers or similar technologies, the irrigation system can be automatically triggered when the humidity sensor detects that the ability of the soil to transmit electricity is below the optimum standard and then are ?automatically stopped once the sensor determines that the standard has been reached again.

Eduard Writing for Moisture Sensors

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The Importance Of A Data Logger

A data logger is an electronic sensor device that captures and stores data. This technology includes several data capturing equipment such as plug-in boards. They also include data acquisition devices such as serial communication systems that utilize a main computer. The main computer acts as a real time data recording system.

But for the most part, data loggers are stand alone devices that are multi-functional. The loggers can read several types of electrical signals and then have the ability to store the data in an internal memory. This information can then be downloaded on to a computer. The loggers can still operate without the use of a computer.

These devices come in many different shapes and sizes. They also range in price depending upon the complexity of the technology. Single channel loggers are more economical than loggers that can handle a multitude of inputs. The loggers typically operated by battery and are small and portable. Microprocessor are installed in the data loggers so they can interface with computer programs.

People use these data tools for a variety of reasons. Many major corporations use them for multiple purposes. In the trucking industry, data loggers used to keep a record of the interior temperature when transporting food products. The logger can read and record various changes in temperature. Some loggers also have a humidity sensor which is important when transporting certain goods such as flowers. Data capturing tools can be designed to read other data pertaining to certain conditions in the environment.

Data capturing tools are helpful in understanding and controlling certain aspects when it comes to handling products that are being stored. This helps to assure the quality of the product when it makes it to its final destination. The loggers are great portable devices and since they can function independent of a computer source, they can be taken anywhere and used for in a variety of situations.

These data devices are used in a number of different circumstances. They are often used in restaurants where they are placed in the refrigerators to keep a record of the temperature of the food. This is very important in the food industry to keep foods at their proper temperature so people will not get sick. Data capturing devices are also used in very high tech situations.

Data can be collected in many different ways and downloaded on to a computer. Some loggers are wireless and the data can be transmitted to different types of devices. These instruments are essential for companies to monitor the quality of their products. These loggers make it possible to know if certain products are being stored properly.

Depending on the type of data logger, the information is readily available. The data can also be collected whenever it is needed. There are different types of data loggers that collect information in different ways. The memory capacity also varies depending on the type of device. These tools have many benefits and are used for a multitude of different purposes. They are used in many different types of industries to track important information.

With over 30 years of experience providing technical solutions, we are the data logger leaders.

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2012年5月30日星期三

Humidity Measurement

The measurement of pressure dew point in compressed air systems or gas distribution networks has become more important recently. Manufacturers worldwide are getting aware of negative effects of having too much moisture in the air / gas pipes, as it can cause:

Corrosion in the pipes
Reduces lifespan of pneumatic parts
Failures in actuators
Contamination of compressed air system in general
Unscheduled production stops.
Incalculable additional production costs

Dryers used to remove moisture from gas, are not always performing as they intend to do, mostly caused by a poor maintenance. Humidity measurement acts as a kind of insurance system, monitoring the dryer performance and indicating alarms whenever values are out of valid ranges. As a result it provides:

Fast responses to failures in compressed air drying through permanent monitoring of pressure dew point.
Increase the lifespan of compressed air system and it components.
Make maintenance of the compressed air system more efficient.
Ensures stable quality of products through less problems in operation of the system

But humidity measurement is not only restricted to applications in air / gas drying. There are many more processes in industry where a well monitored dew point is crucial for the overall process and the quality of the products.

Applications for dew point monitoring:

Plastic injection and blow molding
High voltage switch gears and transformers
Spray painting process
Bottle filling
Medical gases
Pipeline drying

Compressed air is used in brake systems and door openers of rail vehicles. It has to be free of any condensate otherwise the brake system and the pneumatic door openers may freeze in winter and corrosion damages in the distribution network and at pneumatic components (cylinders, valves) can occur. For this reason a regular dew point measurement is essential.

The humidity sensor provides reliable and long term stable dew point monitoring in industrial applications. The newly developed sensor features improved signal and stability in demanding industrial applications. Drifts caused by temperature changes, dust and aging are eliminated by the electronics providing reliable measurements. Recalibration interval thus could be increased to 2 years.

The measured dew point is output via a 4-20 mA signal output. The integrated display shows online measurement values and alarm status. One alarm can be programmed which will activate a relay.

Benefits

Humidity sensor for low dew point applications down to -80 oC
Graphic display, relay output
IP65 casing provides robust protection in rough environment
Very fast response time ensures safe and reliable indication
Can be installed directly into dryers through G 1/2" thread
High accuracy of ±2 oC dew point

Company Riveja specializes in test and measurement systems and equipments for industrial use. Our product range covers everything from transducer to the full size production tests solutions. We design and manufacture customized test and measurement systems. Our services include automation design, manufacturing and commissioning. Riveja's measurement solutions are mainly used in product development, research and maintenance. Riveja has a wide selection of devices from transducer to the high-end analyzers. Typical measurable values are temperature, vibration, pressure, rotation, force, torque, strain and noise. Systems are widely used in vehicle- and defense industry, universities, research institutes, electronics and in machine building applications.

For more information please see: http://www.riveja.lt

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Why Are Humidity Analysers And Temperature Sensors So Important?

We are so used to pouring a cup of coffee directly from the jug, enjoy some crispy potato chips when we are hungry, start our day with a delicious bowl of cereals, take an aspirin to find relief to a headache or to buying a new set of furniture for our living room that many a time we do not take enough time to think about the industrial process that lays behind each of these products. Industries need to ensure that every product they produce keeps up with strict quality policies and requirements in order to fulfill the expectations of the customers. The whole manufacturing process has to be carefully monitored from beginning to end to make sure that the raw materials are of good quality and that in every single step of the process the environmental conditions are the most adequate ones for the product being manufactured.

Some factors can be easily controlled with the naked eye but many others require factories and industrial facilities to rely on specific equipment. Humidity and temperature are one of those environmental conditions that have to be monitored with specific devices. In many industrial processes, it is of utmost importance to know for certain that either the moisture level or the temperature or both factors are kept within adequate levels as excessive moisture or dryness or a too hot or too cold environment can totally ruin or severely damage the final product.

In order to perform an adequate and up to the minute control of the manufacturing process, factories and factory operators can now rely on highly sensitive devices that provide them with accurate information: moisture analysers and temperature sensors.

As it has already been said, these are highly sensitive instruments that measure the humidity content and temperature of the manufacturing environment as a means to tell if the product is being manufactured under the right conditions. If it is not, the operator can easily make adjustments until all requirements are met.

Humidity sensors are also usually referred to as hygrometers and they can be either analogue or digital. Hygrometers help the food industry, for instance, avoid packing chip potatoes whose water content is higher than advisable or help the wood industry not to cut wood that is too dry to be manipulated.

Factories usually have more than one moisture sensor and temperature sensor installed as, probably, each steps needs to have specific conditions met. These devices, though highly precise and accurate, are easy to use and to interpret, which is highly advantageous as adjustments can be made really fast.

Eduard Jim by Processsensors.com

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2012年5月29日星期二

How A Humidity Sensor Can Help You Improve the Air Quality

What is humidity?

Humidity is the total amount of water vapor or moisture present in the air. You, your family members, and even your pets produce moisture at the time of breathing. Did you know, even your indoor plants can create moisture? Moreover, we use water in various indoor activities like bathing, showering, washing clothes, cooking, and dish washing. All these can form moisture, that, if not controlled or measured properly with the help of a humidity sensor, can cause serious health problems. And, if you run a health center like hospital, blood bank, and pharmacy then you keeping track of the temperature is an absolute necessity.

When does humidity becomes a problem?

Certain amount of humidity is required for the comfort and health of you and your family members. However, too much or too little amount of humidity can create a lot of problems. Such problems generally becomes intolerable when all the windows and doors are closed and the indoor air cannot circulate properly.

How a humidity sensor can help

It is a device that is used to measure and get the report of the relative humidity present in the indoor air. If you or any of your family members suffer with illness affected by humidity, then you can consider buying a measurement device as a part of your heating, ventilating, and air conditioning (HVAC) systems. Apart from that, they can also be used in wine cellars, cars, commercial HVAC systems, and meteorology departments to predict and report weather.

How does it work

Such devices sense relative humidity (RH) and measures moisture and air temperature. Wondering what is RH? Well, it is the ratio of the total moisture present in the air and how much temperature the air can hold. Generally, the warmer the air gets, the more moisture it becomes. That is why relative humidity or the ratio fluctuates in temperature. A humidity sensor will sense the ratio and convert it into digital reading to show the amount of moisture.

What are the options available

However, there are different types of humidity sensors available in the market but not all of them can provide precise measurement of temperature and humidity. Moreover, if you do not want to get into the hassles of wires and huge devices, then you should consider buying a compact WIFI device for your requirements. These devices are accurate, small in size, and affordable as well.

Want to buy superior quality humidity sensor from a company that is an industry leader and is renowned for manufacturing WIFI Sensor products? Then, SensoScientific, Inc. is the name you should trust.

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8 Steps to Measure the Relative Humidity in Concrete According to the ASTM Standard

Practical advice for measuring humidity

The most common source of error when measuring relative humidity is a difference between the temperature of the probe and the temperature of the environment. At a humidity condition of 50 % RH, a temperature difference of 1 °C (1.8 °F) typically results in an error of 3 % RH on relative humidity.

It is good practice to monitor the display of the moisture meter for temperature stability. The probe should be given sufficient time to come to equilibrium with the environment to be measured. The larger the initial temperature difference between the probe and the environment, the more time is required for temperature equilibrium.

In extreme situations, condensation may occur on the sensors when the probe is colder than the environment. As long as the humidity / temperature limits of the humidity sensor are not exceeded, condensation does not alter the calibration of the sensor. However, the sensor has to dry out before it can provide a valid measurement.

Step 1: Check the correct functionality of the instrument and probe using the humidity standard tube.

Step 2: Concrete floor slab and air space surroundings must be at service temperature / humidity for at least 48 hours.

Step 3: Define numbers of test holes

Step 4: Define depth of test holes

Step 5: Drill and prepare test holes

Step 6: Wait 72 hours for moisture equilibrium

Step 7: Measure

o Insert in-situ probe into sleeve

o Wait for temperature equilibrium

o Check for stable values

Step 8: Report all necessary information

To find out more about Proceq's moisture meter visit us at http://www.proceq.com/en/non-destructive-test-equipment/concrete-testing/moisture-corrosion-analysis/hygropin.html?pqr=2
Proceq SA of Switzerland, founded in 1954, is the leading manufacturer of high quality portable test equipment for concrete properties, metal hardness and paper hardness applications. The company's strong research and development team continues to create products that set industry standards for portable test equipment.
The moisture meter Hygropin offers the perfect solution to identify and monitor moisture in concrete. Due to its small, fast sensor, diagnosing moisture according to the ASTM standard is quicker and easier than ever before.

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Wine Storage: How Humidity Affects Your Wine

When you think about wine storage, one of the last things to cross your mind is how will humidity affect it. Most people blindly store their wine wherever they can find a place for it, whether it is in the refrigerator, downstairs in the basement bar, or in a kitchen cabinet. However, what many people fail to realize is that both temperature and humidity have large effects on wine. This means that wine storage anywhere you can put it can truly ruin the taste and quality.

The fact of the matter is that thought does have to go into storage. In all honestly wine is probably of the hardest liquids to store properly as it isn't something you should put wherever you have space. Though there are all sorts of information available on wine storage, there are so many different opinions and answers that it can be hard to decipher which one is most accurate.

If you know anything about wine, you may be well aware of something we call wine coolers. Wine coolers are storage units made specifically for wine. This means that there is a set temperature, humidity level, and a set amount of light for each wine cooler. Wine coolers are one of the most effective and easiest means of wine storage.

When it comes to storage, humidity plays a large role simply because humidity is what is used to seal and cork the bottle. Humidity is needed so that the cork holds the bottle closed tightly as to prevent spillage. At the same time too much humidity can ruin the cork as well as the bottle's label, so it's important to ensure your wine is stored at the right humidity.

If the cork becomes damaged or deteriorated, the solid seal is broken and the wine will start to allow for oxidation. This will cause any wine to become extremely bitter as the oxidation will turn the wine into vinegar.

How do I know which humidity is correct?

If you're storing your wine bottles in a wine cooler, it isn't as important to pay attention to the humidity levels as the wine coolers are made in such a way to create a pretty ideal environment to store wine in. if you do not own a wine cellar, you'll want to find a place where you can store your wine within a 50-70% humidity level.

You will do more damage to your wine when the humidity level is too low. If the humidity level is too high you simply face a ruined wine bottle label. Of course, it is best if you can store your wine within in the 50-70% range to ensure that your wine tastes as good as it was meant to. To determine the humidity of an environment you'll need to find a hygrometer or a humidity sensor. Both will be able to give you the humidity reading within any environment.

To learn more about wine storage as well as to read high quality product reviews of the latest wine coolers on the market today, please visit our Wine Cooler Review Site. We provide excellent un-biased analysis of the wine coolers and reveal to you where you can buy one for up to 60% off!

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2012年5月28日星期一

What is a Weather Remote Sensor?

Weather stations were once large, ugly, stationary devices. That has changed dramatically. Today, there are a variety of small weather stations available for different purposes in the home. Almost all of them are able to take advantage of wireless technology and use remote sensors to gather information.

A remote weather sensor is a small device that is usually mounted or set down in an area where it can transmit collected weather data to a central unit. What that data is depends on the sensor, of course.

The remote sensors come in all forms for all functions. The highest quality ones usually only broadcast a single type of weather data. For example, there could be separate remote sensors for wind speed and direction, humidity, rainfall amount, and temperature. All four of these sensors transmit information (most often by a low-strength radio signal) back to a central unit that neatly displays the numbers all at once.

There are also units that will allow remote sensors to be placed in completely different areas, and then each reading can be cycled through on the central unit, providing data on different areas at the same time. This is especially useful for people with large homes or greenhouses that want to track the temperatures or humidity in separate areas.

Whether they are hobbyists, scientists, or gardeners, consumers have taken a strong liking to remote weather sensors. They have become a mainstay in holiday gift catalogs. The price continues to come down each year on these units, allowing for higher quality sensors with more features to make their way into the market.

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The Importance Of The Humidity Sensor

A humidity sensor is a device that measures the comparative humidity in a certain area. While it is complicated, it is also important to our daily life. We will discuss how it works, and how our daily life is affected by it. Also, we will be describing the details of different prototypes.

Affiliated with humidity is water, and sensors are usually electronic, so we know that much. There are two types, an analog and digital sensor. For an mechanical one, three components are necessary. First, the exterior is made out plastic. Secondly, there is a small capacitor in the interior made of film-like glass or ceramics. The interior is insulated by a polymer. For a digital sensor, microchips are used instead of a capacitor and polymer.

Polymer is a topic in itself. It has a biological synthesis which is perfect for absorbing and emitting. This affects the analog, making it intellectually simpler. The amount of water vapor in the air, is then absorbed by the polymeric material. This polymer then emits water based on the relative water vapors. This changes the electric scale of the capacitor which shifts the analog.

A digital sensor contains various chips. Some are in essence a data Logger, and others are converters. There is also a tiny analog in between the various chips. The Data Logger chips, through an analog, digitalizes the humidity. This information is then transferred to a chip which displays the information.

There are various deficiencies to the analog form. An analog contains a large amount of polymer so when the polymer wears away the entire balance changes. Also, since there are many components a calibration process is necessary. To configure many units together through trial and error is strenuous. Another problem is the electricity balance in the capacitor. This leads to increased spending on electronics, but that also means less money.

There are many benefits to the digital style. The interior does not consist of polymer, but rather it is used as a protective encasement. This allows for efficiency without collaboration. In addition to the longevity of the collaboration it is easily replaceable. In the analog form, polymer not only has to be replaced, it also has to be collaborated.

In our surroundings, we have embedded in our technology a humidity sensor. Our air condition needs it to determine how much the temperature needs to be lowered. Modern Dryers use them to stop the machine at the proper time. Cars, our daily transportation, have one located in the exhaust manifold to control in-car temperature. Cutting edge jets and shuttles use them to control oxygen and temperature levels. Now with advance technology we have even learned how to determine which crops a block of soil can sustain.

In a world with many new concepts and ideas, possible insignificant ideas are tossed. However a humidity sensor is part of technology. They are necessary to maintain the infrastructure of our daily life. They will represent the future. Whether it is the latest tablet, or laptop, they are here and present.

Welcome to Canada's source for Calibration Service. With 30 years of experience providing technical solutions, we are the test equipment leaders.

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Moisture And Temperature Sensors And Their Domestic Use

Industry men and factory operators are nowadays quite acquainted with moisture sensors and temperature sensors. They know that these delicate and sophisticated instruments play a very important role in helping them ensure that the products being manufactured are under the right environment conditions and that, therefore, they will be able to comply with the high and strict industry standards.

These instruments are widely use in a diverse number of industries such as the human and pet food factories, computer processors, chemical and pharmaceutical labs, wooden and leather industry, beer breweries and so on.

For ordinary people just like you and me, reading about moisture analyzers and temperature sensors seems totally new and very difficult to understand. However, believe it or not, we are also quite familiar with them as many home appliances and domestic tools come with one of them.

Moisture analyzers or hygrometers help individuals ensure that the humidity in a certain environment is kept within certain accepted parameters. Temperature meters or thermometers are used to ensure that the environment is not exposed to excessive heat or cold.

Amongst the home appliances that come with a humidity analyzer we can mention the air conditioner. The hygrometer can sense when the device has absorbed enough humidity so that the temperature starts to decrease and turns the engine off, to turn it on again later on when the level of humidity has risen again.

Clothes dryers are also home appliances that come with a moisture and temperature analyzer. The hygrometer can be easily calibrated by the owner so that the fibers of the clothes are not exposed to unnecessary dryness. Many women like to leave their clothes slightly damp as it is then easier for them to iron them or because they prefer to have them dried hanging from a peg. Temperature sensors, in the same way, prevent the fibers of the clothes from being exposed to excessive heat which may cause them to shrink.

The moisture analyzer can also be found in many gardens connected to the irrigation system. It is generally adopted by gardeners in areas where either it rains quite a lot or there is a lack of natural water as the hygrometer allows them to water their plants more efficiently while preventing overwatering them. This instrument is placed in the soil and it detects when it reaches certain level of humidity that is lower than expected and so the irrigation system is triggered automatically.

Eduard Jim writing about Moisture Analyzers

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2012年5月27日星期日

Understanding the Importance of Moisture and Temperature Sensors

Almost all industries consider as a top priority being able to keep up with the ever growing industrial quality standards enforced in order to produce high quality products. They need to ensure that each of the goods they produce meets specific quality standards so that the final customer has no problem with them. Industrial processes are usually long and complex and it is sometimes difficult for factory operators to control different factors just with their naked eyes or hands.

Fortunately, technology advancements help them throughout the manufacturing process by providing them with highly sophisticated instruments that enable them to monitor it.

Different industries require different and specific monitoring instruments but there are two devices that are widely used across several industries: the food industry as well as in the pharmaceutical one, to produce IT processors or to cut wood and process leather: moisture analysers and temperature sensors.

Moisture analysers are also usually referred to as humidity sensors or hygrometers. They are devices that are highly sensitive to the level of relative humidity present in a certain environment. Just as a wet wall or a moisture stain on the roof can lead to moth and damage in your house, excessive humidity levels can also severely damage varied industrial processes. For instance, coffee beans can become sour if they are too wet, wood can be difficult to cut or turn into attractive pieces of furniture if it is too wet or too dry and pet food can get easily ruined if it is not dry enough when packed. This is why moisture sensors are placed along the different steps of the manufacturing process to make sure that the humidity rate is kept at acceptable levels. From time to time, a sample is taken and weighed. Then it is introduced in the moisture sensor and dried out. Once dried it is weighed again and the difference between the two weights let factory operators know if the environment is the appropriate one or if it has to be adjusted.

Temperature is also a factor that has a significant relevance in the quality of a product. Many chemical compounds are extremely sensitive to very high temperatures and their properties can be diminished severely if they are processed in a hot environment. In the same way, many metals can melt if they are processed in a very hot environment and their endurance can be significantly threatened. Temperature sensors are very accurate instruments that can instantly report the temperature of a product without putting the life of the factory operator at risk.

Eduard Jim writing Moisture Sensors.

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Advantages Of Sensored Clothes Dryers

Clothes dryers are, probably, busy moms' best friends. They are really convenient and practical if you have a large family or if you live in a wet, rainy area and your clothes take a lot of time to dry up. Even if you are a mom of a single child you can find that clothes dryers are highly advantageous as they allow you to get rid of the lining rope and they help you have your clothes ready to be ironed in no time.

If you shop around for clothes dryers you will probably be surprised by the wide variety of them that is available in the market. If you want to buy one or if you have to replace yours, it is highly advisable that you opt for a sensored one.

Let's first explain that a sensored clothes dryer is not "sensitive" but it comes with an in built moisture sensor that will help you take proper care of your clothes. Moisture sensors are highly technical devices that are sensitive to humidity and moisture. They are widely used in varied and multiple industrial and factory environments and they play a very important role in helping factory operators make sure that the products they produce comply with the strictest industrial expectations. For instance, they are used in the food and beverage industry to dry up coffee beans, barley grains, potato chips and breakfast cereals and in the pharmaceutical industry to ensure that the humidity does not affect the properties of chemical compounds.

Clothes dryers with an in built moisture sensor dry up clothes until this device notes that the humidity level in the piece of clothing is imperceptible and it turns the unit off. Thus, as you can easily appreciate, the fibers of your clothing are preserved from excessive dryness or heat and you are also saving in electricity.

These sophisticated clothes drying units can be a bit more expensive than other models but they are much more advantageous.

Not only are your clothes kept in better condition so there is no risk of accidentally shrinking them but also you do not risk setting your house on fire because the unit over heats.

Sensor dryers usually can be adjusted to different levels according to the type of clothing you have put into the device:

· Level 1: The fabrics will have a very low moisture level so that you can iron them more easily.

· Level 2: It is great for those clothes that will be placed on hangers. The little moisture left will disappear as your clothes are hanged.

· Level 3: It ensures you that the clothes are absolutely dry so that they do not get musty or start to smell badly.

Eduard Jim by Moisture Analyzers

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2012年5月26日星期六

Tomorrow - Sensors Will be Making You Breakfast

Introduction

The world is changing at a greater rate than ever before. We can hardly keep up with the pace of technology. The future is approaching at such a great speed, that most of us can hardly conceptualize what will come next.

Sensors are playing a tremendous role in the change. They are employed in many industries and achieving a multitude of tasks. Sensors track the behaviors of animals, detect machine malfunctions, facilitate war simulations, and assess the stability of buildings. The number of applications is growing as technology is advancing.

Sensors working together

A monumental achievement comes in the form of the networks in which sensors perform. Sensors function autonomously, but are able to perform greater tasks when working in networks. These networks enable sensors to "read" the environment and react to it.

"Motes" are components of these networks. They are self contained, battery-operated entities that gauge light, temperature, humidity, as well as other factors. Data is collected by each mote, relayed amongst them, and finally sent to a centralized location for retrieval.

Proactive interaction

A new term supported by sensor technology is "proactive computing." The term entails operations where computers anticipate and serve human needs. As of now, we "interact" with our computers, phones, and other devices. A proactive device will be virtually hidden, yet delivering our desires. This technology will warrant thousands of computers, making it impossible to interact with each of them; so, they will communicate with one another and act on our behalf.

The speed at which proactive computing will commence is contingent on the momentum of technology. Motes are composed of microprocessors, microelectromagnetical systems (MEMS), and low-power radios. Time becomes a factor relating to science producing these components with the desired size and power in mind.

In order for networks to "read" the environment, they will essentially have to be everywhere in the environment, blanketing an area to extract information.

Impacting the environment

The following illustrates some feats sensors are accomplishing:

- Detecting, classifying, and tracking soldiers and vehicles amidst sight-evasive conditions to be used in battle scenarios

- Guiding irrigation and planting on farms to increase crop yields

- Monitoring patients' vital signs and aiding in daily living

- Calculating depth and stress of structures to aid in earthquake foresight

Measurement Specialties offers a large variety of sensor products to meet application requirements in many industries including automotive, off-road, medical, industrial, consumer, military/aerospace, test/measurement and traffic applications.

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Arduino Temperature, Humidity and Dew Point Via Hurimel HS1101 Sensor Interface

A great option for adding temperature and humidity (and dew point) measurement to the Arduino (and freeduino) is to use the Hurimel HS1101 sensor.? It is packages as a small board, approximately 1" x 2" with 4 screw terminals.

The only electrical connections are these 4 - 1 for ground, and 3 I/O pins used on the Arduino - 1 analog and 2 digital.?? The pin references used in this article are taken from a Freeduino BBB board.

The 4 pins on the Hurimel are THERM, PULSE, GND and V+.?? Besides a connection to ground on the Arduino, 3 additional pins will be required - an analog and 2 digital pins.? One digital pin is used to provide power (+5VDC), in this example, pin 2 is connected to the V+ screw terminal on the Hurimel.?? Digital pin 5 can be used to count the pulses, connected to the PULSE screw terminal on the Hurimel.? Finally an analog input is required for the temperature reading.? Analog pin A5 on the Arduino connected to the THERM screw terminal on the Hurimel.? Note that a 10k resistor must also be placed between 5V and analog pin A5 on the Arduino.

In summary, the electrical connections in this example are:?

Arduino BBB digital pin 2? -- Hurimel V+ screw terminal
digital pin 5 -- Hurimel PULSE terminal.
GND pin/connection -- Hurimel GND terminal.
Arduino BBB analog pin A5 -- Hurimel THERM terminal.
analog pin A5 -- 10k resistor -- Arduino BBB GND +5v DC pin/connection

In a future article, the Arduino source code required to read the temperature, humidity and dew point measurements will be discussed.

Check out http://www.n1van.com for more Arduino and electronics!

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Predict The Future With A Humidity Temperature Sensor

A humidity temperature sensor is a handy equipment to have. If you know how to read the data that it provides, you can use it to essentially control your indoor environmental conditions. Most people think that just controlling the temperature of a room or office is the key to feeling at optimal levels. While this is partially true, you also need to consider the amount of water vapor in the air or the "humidity" in the equation.

There are many definitions of a comfortable indoor environment. It may mean different things to different people. It could mean that a home or desk at work adorned with so many beautiful things like precious ornaments, valuable artifacts and expensive decorations.

For some individuals, they look at the practical side before they consider their haven comfortable and convenient. And one of these factors is the ability of the space to control and regulate the temperature, thereby making it livable and conducive to more efficient working conditions in extreme hot summer days or cold freezing nights.

An efficient home is an insulated home, capable of defending itself from scorching heat conditions. High humidity inside your precious abode is a sure killer of your family and your health. Yes, we are speaking of mold and mildew growth.

In addition, they will certainly shorten the lives of your expensive appliances and electronics which do not thrive in extreme heat condition. The microchips embedded in your laptop, computer and other gadgets easily break apart in terms of function when exposed in heat.

Thus, there is an important need, in such conditions, to have your space insulated to prevent trapping heat inside it. As you may guess, in order for the occupants to be comfy and television and computers to function properly it could get costly if you do not have a way of monitoring your indoor conditions and nip potential issues in the bud.

By having a humidity temperature sensor on hand, it can alert you to potential issues before they happen. It could even allow you to allocated funds in advance to purchase new air conditioning systems because you can practically foresee that replacement of the old system may be in the cards.

It is highly important that you have sufficient knowledge on cooling systems. Be friends with your heating, ventilation and cooling systems. Treat them right with regular maintenance and repairs if necessary and they will, in turn provide you with efficient indoor environments.

Go to: Humidity Temperature Sensor for more information about this topic. Another, related site promoting comfort in your indoor environment is on the Air Conditioner Window Unit.

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2012年5月25日星期五

Residential Humidity And Temperature Sensors

Have you ever imagined that it would be possible for you to keep the humidity and temperature of your house under control independently of how wet or dry it is outside or of how cold or hot the weather is? Believe it or not, this is now possible for many home owners thanks to technological advancements that have made ordinary industrial devices more compact and affordable for domestic use.

Over the last years, more and more home owners are using humidity and temperature sensors to keep the moisture and temperature levels of their properties at comfortable and healthy levels. These devices, which are widely used in industrial facilities to ensure that the manufacturing process occurs seamlessly and according to quality standards, are becoming more and more common for residential use.

At first, humidity sensors, usually referred to as hygrometers or moisture analyzers, were used in family groups in which a member suffered from allergies or some kind of pulmonary disease that made him or her especially sensitive to allergens or changes in the humidity conditions present in a room. Thus, with a moisture sensor it was easy to establish a safe level of humidity and make immediate amendments to it every time it was necessary.

Little by little these devices became more popular as home owners assessed their advantages. By installing one in their basement, it was easier for them to detect leaking pipes that would cause a disaster if left unattended or discovered months later. These humidity analyzers are extremely sensitive instruments and, fortunately, they are easy to calibrate and operate. As they are precise instruments, the information they provide can be trusted thus ensuring that the comfort and quality of your home is ensured.

Temperature sensors are also very popular as they help family groups make a better use of their heaters and air conditioning devices and, as a consequence, save money on electricity. Temperature sensors can be connected to the heaters or air conditioners so that whenever this thermometer detects that the temperature is lower or higher than expected, the heating or cooling instruments are turned on until the previously set up temperature is reached.

Home owners can place temperature sensors in each room of their house as they can be set up individually. Just as humidity sensors, they provide accurate and trustworthy information that helps every member of the family to be in a room as comfortable as they want it.

What are you waiting for? Buy one of these devices, or both of them, for your house and enjoy the home of the future.

Eduard Jim Writing about Humidity Sensors

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Monitoring Temperature And Humidity Inside The Server Rack

The increased utilization of blade servers has caused the control of heat and humidity in the server racks to become much more critical than previously. These units increase the density of the equipment in each rack and therefore the heat generated. Alarms are necessary at the rack level because a single server overheating will not raise the ambient room temperature enough to set off the room alarm sensors. These rack alarms can provide early problem warning and prevent server damage and the associated network problems in a timely fashion.

These alarms can be at the rack, or by email, or by SNMP traps, or by all three methods depending on the system. There are several different types of sensor systems from several different manufacturers, available at present. One of them is a compact environmental monitor with one onboard temperature sensor and in addition the ability to support up to 16 remote sensors. The system is very small so you don't have to change your system. If you receive a problem alert, you are able to identify the rack and power strip having the trouble, and turn off the individual outlet or reboot it.

Another power management and control system available is able to track temperature, humidity, airflow, and water at various locations from 15 to 100 feet away. This system needs only limited rack space and can control individual power receptacles. Another system on the market utilizes two sensor probes in each rack, one in front, one in back, to better measure the environment in the rack. This gives you a thermographic view of the temperature range in the rack and can be displayed in color for all the different racks in the computer center. This information can be used to determine the size and location of any additional A.C. or fans or blowers needed to correct a cooling system. It can also assist in the rearrangement, if necessary, of the rack layout and separation of a cold aisle/hot aisle system or any rack system, or when additional racks are added to a functioning system.

The control of heat generation and temperature in the data center continues to be one of the most critical areas. The monitoring of the environment has gone from the room, to the zone, to inside the individual server rack to give a much more precise picture of what is happening and allow better response to emergency conditions.

Server Racks and Cable Inc. http://www.serverracksandcable.com provides server rack solutions to Fortune 500 companies, governments, and military agencies.

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2012年5月24日星期四

Everything You Need To Know About The Data Logger

There are many times when certain physical parameters need to be both measured and then recorded. Because of this, we will discuss everything you need to know about the data logger. We will not only define what such a system is but discuss how it works as well as what industries have been known to appreciate it's use. Read on and this system will no longer be a mystery to you.

The first question that is probably on the minds of many readers is "What is a data logging system?". This is simply a system that is used to measure the popular and reoccurring physical parameters. Popular examples of such parameters could be humidity, temperature as well as water pressure. A logging system will be able to measure these parameters and then store the results.

Another popular thing that readers who are not familiarized with such systems is what kind of components make them up. Well there is the hardware that is used to measure the qualities through the use of censors. This could be a tool that uses a humidity censor to detect the qualities of the humidity and then send the signal forward through the rest of the system.

Detection hardware is typically plugged into some type of desktop computer so that it's readings can be converted into a digital signal and then recorded onto a computerized log. Typically a specially designed software application is used to assist in both of these processes. The software package is a very important part of any data logging type of system.

While there are occasionally systems that are both large and cumbersome, it is important to keep in mind that the majority of systems are very portable in nature. This allows them to be easily moved from one location to another as they take different readings. Because of this the weight is usually not very heavy at all, the detection tools are typically stored in convenient cases.

Since a good portion of these systems are used for very heavy field work and a source of power is not always available, many of these systems are battery operated. When dealing with battery powered systems it is very important to remember that you always have charged batteries. Batteries that are not dead but low could cause inaccurate readings to occur.

There are such a great deal of industries around the world that rely on the very regular use of such systems. The food and beverage industry has been known to get much use form such devices. Also keep in mind that the agriculture and refrigeration industries find these units to be of much importance within everyday affairs. These are only but a few examples.

By now, you should be more than aware of everything that you should know about the data logger system. These systems serve a very practical purpose but only when properly maintained. This fact is a very important one to consider when dealing with such machines. It is very hard to find an industry that does not at the very least require the occasional use of such a system.

Welcome to Canada's source for Data Loggers, Calibration Services, Pressure Transducers, humidity sensors and one of Canadian industry's largest selection of other fine test & measurement instruments!

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Additional Thermostat Necessities - Sensors, Humidistats, Subbases, And More!

Have you recently purchased a new thermostat and are interested in keeping it in top condition? Perhaps you need that extra boost for your thermostat control, such as added humidity control, but are not interested in purchasing a whole new thermostat. There are several additional pieces that you may need or simply want for your home comfort control that can benefit your thermostat system. Read on to learn more about pieces you can easily find for yours!

Subbases: Thermostat subbases are usually included with your original thermostat, and if you took apart your thermostat, you would see the subbase already there. However, certain models require a subbase, and sometimes older models require that the subbase be purchased separately. With a conductive grid, the subbase connects heating and cooling mechanisms from your home systems to your thermostat face.

Lock Boxes: A thermostat lock box, also referred to as a thermostat guard, or cover, is simply a protective device for keeping your thermostat safe. Usually lock boxes come in mini, small, medium, or large sizes so that fitting to your exact make and model of thermostat is not a problem. There are of course, lock boxes specifically designed for a certain thermostat. Lock boxes can come in colors or solid white, to hide a dull looking thermostat, or in clear to solely serve as thermostat protection without altering the look of your thermostat. Lock boxes can be locked with keys to stop others from changing your temperature settings and raising your electric bills without your knowledge! Some come with tamper-resistant locks, so the key cannot be removed easily.

Temperature Sensors: Sensors are used with a thermostat to accurately tell and relay surrounding temperatures. There are several types to choose from such as bi-metal, electronic thermistors, and electrical thermocouples. With a temperature sensor, it is possible to relay outdoor temperatures and various temperatures throughout your home easily and quickly, all from a central location.

Humidity Sensors: A humidistat is a device that allows your thermostat to direct not only temperature, but also humidity levels. Like a temperature sensor, a humidity sensor is simply a recording device to give your thermostat the ability to control these two functions simultaneously for ultimate comfort levels in a home.

Audrey Peterson is a Product Specialist with knowledge in the design and applications of a variety of thermostats http://www.honeywell-thermostat.com/thermostat.html She has analyzed several Honeywell models http://www.honeywell-thermostat.com/ and helps to make decision-making process easier with these home products

http://www.honeywell-thermostat.com/thermostat-finder.aspx

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2012年5月23日星期三

Install A WiFi Sensor to Get Accurate and Fast Measurement of Temperature

Do you run a hospital, blood bank, pharmacy, food services, or a data center? Then, perhaps you have already seen how temperature plays a huge role maintaining the quality of medical products such as medicines, blood products, and other pharmaceutical goods. Moreover, in hospitals, increased humidity can create numerous health problems and make patients feel uncomfortable. So, to avoid all these things you need to control the temperature appropriately. That is why you need to keep a constant track of the temperature.

Though, humidity in air is necessary to some extent, but if it exceeds the recommended level, medicines and blood products can get damaged. Even breathing and indoor plants can form moisture. Moreover, we unknowingly produce moisture by various water based activities like washing, cleaning, bathing, cooking, and so on. All these activities can increase the moisture level. Apart from that, medical instruments can produce a lot of heat as high voltage electricity is flowing through them continuously. So, ultimately, the heat is affecting the normal temperature of the room. This is why temperature must be measured accurately. And, the best way to do this is installing WiFi sensors to measure the level of humidity.

WiFi sensors are used to measure and get the accurate reports of relative humidity (RH) present in the air. These devices can be installed with heating, ventilating, and air conditioning units (HVAC). It will convert the report into digital reading to help you get the precise measurement of the moisture present in the air. These devices are widely used in health departments, hospitals, multi-location medical facilities, and many other health care services. Because of their effectiveness and accuracy, they can measure temperatures down to -200' C. In case it detects a poor temperature condition, it will alert you instantly along with the necessary actions you need to take to improve the air quality.

A quality WiFi sensor have the following features:

* They are battery powered. So, in case there's a power cut and you don't have immediate backup, your WiFi sensor won't stop working.

* The sensor nodes of WiFi sensors communicate directly with Industry Standard Access Points. That means, more accuracy without wasting any time.

* You don't need to attach any other devices with the WiFi sensors. So, that eliminates the hassle of purchasing expensive devices like routers, hosts, repeaters, and receivers.

* These devices are capable of using all types of WPA, WPA2, and WEP encryption.

Remember, your first priority is to get in touch with a reputed company selling WiFi sensors that have all the features mentioned above.

SensoScientific, Inc. is a renowned company committed to provide quality WiFi sensor specifically designed to handle all the requirements of hospitals, labs, blood banks, and other medical centers.

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Exploring the Technology of Humidity Sensors

Science and processing technology rely on humidity sensors as part of control systems in a variety of applications. Many people are aware of the relative humidity number reported by the local weather reporter on TV. While this helps the average citizen prepare for his day, it is only one very small reason for the existence of sensors to measure humidity. Humidity has impacts on a wide range of industrial and scientific processes and makes a difference in everyone's daily lives. This short article will examine the technology and uses of humidity measurement.

The basic definition of humidity is the water vapor content in a gas such as air or nitrogen. Notice this refers to water vapor - not water in any form. Water existing as a mist or ice crystal in air is not within the definition of humidity. Also, humidity is discussed in various terms depending on how the measurement is made and used. Within certain ranges it is possible to calculate the equivalent measurement in different terms, such as converting relative humidity measurements to dew point temperatures.

Three often used measurement terms are relative humidity, dew point and absolute humidity. Each of these is measured differently and used differently in process controls or data recording applications. Humidity measurement methods have evolved tremendously over the decades.

Early scientists realized human hair changed when water content in the surrounding air changed. This led to mechanical devices that indicated humidity by the changes in a strand of hair. Both human hair and horse hair were used to power indicators or chart recorders. Materials technology provided nylon and other synthetic fibers that were more predictable and easily calibrated. Today, relative humidity sensors are solid-state electronic devices with lower cost and greater robustness.

Dew point is the combination of temperature and gas pressure at which water vapor begins to condense into liquid. Most people understand this in weather report terms but it is an important factor in many scientific calculations and processes outside of weather. Early dew point measurements used chilled mirror technology which was both expensive and temperature limited. Modern electronic dew point sensors are accurate down to -40degrees F.

Absolute humidity is the precise measurement or calculation of the mass of water vapor in a given volume of air or other gas. (Expressed as grams per cubic meter or grains per cubic foot) This is the most useful measurement for a variety of applications. One interesting application is in drag racing. The grains [of water in the ambient air] number is used by all race teams in setting up their racing engines. Modern electronics can measure absolute humidity at temperatures greater than 200 degrees C in almost any environment.

Sometimes process stability problems are related to humidity changes in the process environment. Monitoring humidity can provide clues why results are not consistent. Painting quality can suffer when humidity changes and the process is not adjusted to compensate. The wide range of sensors on the market today assures coverage for any perceivable application.

Humidity sensor manufacturers can deliver accuracy, robustness, size, and cost to meet just about any scientific or technological requirement. Some online research is sure to reveal a variety of options for any application. This article should provide just enough information to make your research more effective.

As the leading retailer in the Canadian industry of measuring and controlling instruments, our qualified technicians have over 30 years of experience in providing instrument calibration services and full service repair. Our wide range innovative technical solutions include data loggers, humidity sensor, and pressure transducer.

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2012年5月22日星期二

Process Sensors And Their Role In Industrial Environments

Just as technical advancements have made our life easier and more comfortable, they have also had a positive and impressive impact in our working environment. Business organizations rely on computers and machines to satisfy their customers' expectations all year round and all day round and in almost every case to ensure high levels of productivity.

Industries and factories also require technical devices to help them perform at their best level, keep up with their clients' expectations and comply with the industry standards. Thus, industries and factories many a time rely on process sensors to make sure that the products being manufactured are being produced within the acceptable standards.

There are different process sensors available in the market. Some of them are specific to some industries while others can be shared by many. Two of the most popular ones are humidity sensors and temperature analyzers. We are going to deal with both of them in this article as they are quite generic and they are widely used in several industries.

HUMIDITY SENSORS

Humidity sensors are also popularly referred to as moisture analyzers or hygrometers. They are highly sophisticated instruments that allow factory owners and operators make sure that the product being manufactured is not exposed to the wrong levels of humidity and that it is being produced in an environment that has the right content of moisture. Believe it or not, this is quite a serious issue that has to be handled with accuracy and care. There are many products that can be ruined if they are exposed to more wetness than what they really need. For instance, if potato chips are packed wet they will taste sour when we eat them and coffee beans may smell sour and rotten if they are packed when they are not well dried enough. The wood industry also needs moisture analyzers: wood has to be dry enough to be able to cut it into pieces but wet enough to remain flexible. Industries use different hygrometers along the manufacturing process to keep close track of the humidity conditions in the environment.

TEMPERATURE METERS

Temperature meters are usually called thermometers and, as their name suggests, they are used to measure the temperature present in the manufacturing environment. They play an essential role in the chemical industry as chemical compounds cannot be exposed to dramatic changes in temperature or to very high or low temperatures under the risk of losing their properties.

Eduard Jim writing about Humidity Sensors

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Embedded Control - Record Layouts Improve Database and RFID Sensor Testing

Software application designers and hardware application developers are working as teams to incorporate control-record layouts into end-to-end XML services for RFID networks. Using these newly formed XML tag sets made up of customized control-records has improved the design and development scenarios across diverse hardware platforms, operating systems, applications, and databases.

As software application developers begin to build RFID-and-sensor networks within key growth areas, it has become common place to witness recent deployments of control-record structures embedded in sensors and their supporting software. These control records contribute immensely to the major functions of any RFID sensor application including inputs, data-lookup and storage, interface programming and outputs.

These five major features are now incorporated into the application as a new and more efficient XML and database schema. This improved configuration has proven to meet growing demands to test multi-vendor RFID and sensor products for their ability to withstand extreme conditions. These conditions include excessive heat and cold, shock, humidity, vibration, altitude, pressure and all are reliably monitored using the new control-record layout approach.

The key design feature in the programming arrangement described in this article is the idea that an intermediate control record receives and distributes signals to and from the software and hardware sides of the full application. This nicely integrates selected signals from both spheres of operation and allows an interface to adapt dynamically to different device types. As new devices are attached and configured with the application, no appreciable interference is noticed in the originally attached devices.

Because the embedded layout of many types of devices can be addressed through the use of control records, new applications are provided with better XML testing languages. Additionally, this feature provides designers with the opportunity to introduce database simulators for a more accurate and dynamic portrayal of RFID and Sensor operation. This dynamic portrayal is added to the accumulated testing history and a better picture of performance emerges.

As RFID becomes more widely deployed, network reliability, security, and data integrity become increasingly critical. And for most companies, the task of ensuring those three things will be overwhelming and complex, especially across multiple hardware platforms and configurations and diverse supplier and partner networks and databases.

But because it is now feasible to virtually attach these control-record layouts to alleviate some of the major complexities associated with the required tests, any company can develop new products that may have been prohibitive in the past.

Tom Gruich is a professional database designer with 40 years experience in systems analysis and design of database software applications. For more database business mapping thoughts and design ideas please visit Database Solutions or his Smart Database website at => http://www.adaptcode.com

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2012年5月21日星期一

What is a Plant Sensor, and How Do They Work?

Every year over $60 billion is spent on plants in the USA. According to a recent poll over 30% of these plants will wither and die shortly after they have been planted. This is a massive amount of wastage which in all honesty is in most cases avoidable. There are various reasons why plants die and sometimes it is unavoidable if the plant becomes diseased or damaged. But in a huge proportion of cases it has nothing to do with these reasons. It is purely down to the new owner not caring for the plant in the correct manner. Now don't you think that is a waste of, not only your own hard earned money, but also the time it has taken the grower to produce the plant and also your own time to select and plant it? Well if this scenario is familiar to you, and I know it is very familiar to me, there is now something that you can do about it. The answer is to use a plant sensor.

Recent advances in technology have seen some amazing new products come onto the market which help not only novice gardeners but experienced and competent ones also. One of the best known of these new plant sensor products is the Easybloom by Plantsense. This device will assist you in not only getting your new plants off to a flying start, but also with any existing plants which seem to be struggling. It is suitable for both indoor and outdoor plants. It works by getting the plants eye view of the soil and the general growing conditions in which it is situated.

So how does it achieve this you may be asking yourself?

The Easybloom plant sensor was developed by a team of botanists and horticulturists based in San Francisco by the Plantsense Inc. It is designed to measure four specific areas which are vital for a plants healthy growth and these are.

Light Conditions
Soil Moisture
Temperature
Humidity Of Atmosphere.

If any of these conditions are not right for your plant, chances are it will never reach its full potential.

So What Do I Need To Do To Make It Work?

Well the answer to this could not be easier. All you need to do is to push the plant sensor into the ground, the container or the pot your plant is going to be in, and leave it for a minimum of 24 hours. Thats pretty simple right?

After 24 hours or more take the plant sensor out of the soil and attach it to your computer via a USB connector. The results of the conditions will be downloaded automatically to your Easybloom account and you will be able to check if the conditions are what your plant would require. You do not need to be some techno wizard either it is all laid out step by step. The data is only suitable for USA regions. The reason for this is that there is much data on specific zip code areas so you can be this precise with your requirements. But not only can this plant sensor analyze the climatic conditions to check for suitability, there is so much more that can be done via this items analysis.

The database also gives you a comprehensive list of all plants that are likely to thrive in your conditions. You can select the type of plant you would like to grow, you can select the colour the strain, the flowering season etc, basically really narrowing down your requirements. The data collected from your plant sensor will inform you if the chosen plant is likely to thrive in your conditions, and if not, what you can do to improve the conditions and ultimately the plants chances of success. There are over 5000 plants listed on the database so you will have plenty of choice. You will be able to choose plants to thrive in every area of your home and garden by placing the plant sensor in different locations and gathering individual data from each area. You can also keep a full inventory of your own plants at the present time and into the future.

So no longer will you have to wonder if a corner of the yard is too dark, or if the conditions are too cold, or is the soil too dry? None of these issues need ever be a worry again once you have a plant sensor in your possession there will be no excuse for not keeping your plants, both indoor and outdoor, looking fit and healthy for many years to come. In addition you can keep a record of your gardening expertise forever and look back with fond memories over your successes and hopefully not too many failures.

But be sure to take some before and after photographs to show everyone what a 'green thumb' you have now developed!

Alan Swift has been involved in the fields of horticulture for many years. He has worked as a botanist for several large independent international companies and has recently begun to specialise in the field of environmental studies and the effect that slight changes can have on the health and overall well being of individual plants. His expertise and knowledge in these fields has provided much help and guidance in recent times for many people. His website at http://www.plantsensor.org has free advice and information. If you wish to know more about the subject of a plant sensors please visit the website at http://www.plantsensor.org for free independent advice and guidance.

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Fibre Optic Sensors - An Introduction

Fibre optic sensors are used all over the world in a range of different environments and applications. They are defined as devices that can measure physical parameters through the effects placed upon the fibre and how light is passed through the fibre.

Fundamentally fibre optic sensors are used most frequently to measure physical properties such as strain, temperature, humidity and pressure although they are also used to monitor velocity and acceleration in some situations. In terms of applications they are frequently used to monitor the health of structures, providing measurements in real time of the forces placed upon a building.

One of these applications is in buildings and also bridges where monitoring is carried out to detect changes in the overall structure. Fibre optic sensors are also frequently used to measure properties in tunnels and dams. In these situations sensors are frequently used to monitor foundations, spatial displacement, subsidence and in some cases post-seismic evaluation after earthquakes.

There are a number distinct advantages to using optic sensors. These include:

• Immunity to EMI (electromagnetic interference) and also RFI (radio frequency interference).

• Safe and stable use in extreme environments where there are high temperatures, explosions and extreme vibration.

• Small in size and high sensitivity.

There are two main types of sensor extrinsic and intrinsic.

• Extrinsic sensors utilise optical fibres as a means of transferring signals. Frequently these fibres enter a light modulator box that has a light beam passing through it.

• Intrinsic sensors differ fundamentally from extrinsic varieties in that the sensing actually takes place within the fibre. In this instance the sensing is a result of the way in which the fibre is affected by direct physical changes. Essentially the strains put upon the fibre change the way in which light passes through the fibre. The change in light behaviour provides a measurement.

Fibre optic sensors are used in a wide range of industries, from building and construction to oil and gas measurements. It is the specific properties of fibre optics that make them so useful within sensing instrumentation.

The use of fibre optic sensors is based upon the stability of light as a way to make measurements and also the physical size and properties of fibre optics more widely.

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2012年5月20日星期日

Server Rack Monitoring For Temperature and Humidity Control

The server rack is being increasingly used these days to offer safe and manageable work environment. Now that servers have been reduced in size, techs can put many more in each server rack resulting in a tremendous heat load. This heat can build up fast creating a heat zone that can cause servers to shut down unexpectedly. One way to avoid this is have a system in place that monitors heat and humidity.

In order tackle this problem, server rack manufacturers have come up with sensors that come equipped with alarms. This is to ensure that the temperature in the server room does not rise above the danger level. These sensors can be built in to rackmount powerstrips or as a separate unit within the server racks. Depending on the sensors, users can be notified by alarm or anywhere in the world via email about heat and humidity factors. Bottom line, these type sensors can help prevent server damage and associated network problems.

These environmental sensors range from email alerts to indicator lights that blink as soon as the temperature reaches a preset level. This depends on the type of racks as well as individual manufacturers and user preference. It is also possible they can be customized per your specifications.

The advantage to having environmental sensors in your rack is instant notification that can allow you to shut down or cool down a server before major damage is done. Sensors that are part of Ethernet rackmount powerstrips can be accessed remotely for instant access to the problem.

Nowadays, there are varieties that also manage airflow and water at various locations, apart from controlling temperature and humidity. Most of these sensors are small and take up very little room in a rack cabinet.

With such mind boggling wide variety of options available in the market, it is really up to you as to which sensor alarm variety you would like to go for in your server rack. But whatever you choose, it is important to incorporate one of them to respond as fast as possible in an emergency situation.

ISC has a large selection of server rack, computer rack and rackmount accessories. Their online catalog for rackmount powerstrips does a good job showing your options along with detailed description so you know exactly what the rack or cabinet can do.

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