2012年7月17日 星期二

Wireless Weather


Our close fascination with the weather is being aided by the ever growing popularity of the wireless weather station.

Wireless weather stations are gadgets for determining the weather, temperature, air pressure, humidity, and other weather factors. Wireless weather stations are great for the home or office with professional units having PC connections and related software. These professional wireless weather stations are easy to install and have the flexibility to change the location of the console without having to drill a new hole and move the cable. Wireless Weather Stations are very useful and are clearly the most convenient of all weather instruments.

Many of these units come with inbuilt alarms set to alert you of certain weather conditions. My personal unit's alarm is only triggered maybe once a year, but when it does I know there's some severe weather on the way. Depending on the model you select, temperature, humidity, barometric pressure and other types of weather information such as wind measurement can all be monitored within the comfort of your home. Of course if you have a built in anemometer (wind gauge) then you need it to be located away from any obstructions to the prevailing wind. The roof is generally a good place.

Wireless home weather stations use radio waves to transmit their weather measurements from the remote sensors to the indoor display console. This console can not only tell you the climate readings outside, but with a touch of a button will tell you the conditions inside as well! Some units can come with several consoles so you may locate then at various points around your home or garden.

Wireless home weather stations typically cost more than the older cabled units but it is often worth spending the extra money for the increase in convenience. Before making your weather station purchase, you should consider several issues related to wireless digital weather station technology: Manufacturers usually specify a transmission range rating based upon "open air," meaning a direct line of sight path with no obstructions (walls, etc. To make a more realistic estimate of the distances required between components in your installation it is recommended to review the weather station set up information for the individual unit of your choice.) Another minor problem can be radio frequency interference (RFI). Generally speaking though, this is not a major issue, as there are millions of wireless home weather stations operating without any problems. Finally, the altitude where your wireless digital weather station is going to be installed can also be an issue with regard to the accuracy of barometric pressure measurements. Many stations have a transmission range of up to 330 feet, overcoming most problems effecting home wireless weather stations.

Also, and this is the case for many people, if temperature is your only interest, a wireless thermometer may be all that you need at a much cheaper price than the full weather station. Many of these weather stations also feature radio controlled clocks, which are accurate to the second and updated daily automatically.




Mark Boardman BSc dip.hyp is a leading author and expert on The Weather For more information about World Weather, feel free to visit these sites.





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