2012年7月18日 星期三

Weather Station Components


An advanced weather station which wirelessly monitors the temperature (indoor and outdoor), relative humidity, wind direction, wind speed and rainfall generally consists of a wireless backlit LCD display screen for the system control and data display, system processor, wireless communications and sensors.

All wireless weather stations are run by battery or solar power making them very portable with very low and easy maintenance.

Below is a list of measurement components used on wireless weather stations:

Thermometer

Used to measure the temperature and temperature gradient in your exact location. A thermometer works by measuring the temperature through resistance, the system processor records the resistance that is higher in warmer temperatures and lower in colder temperatures.

Anemometer

Used to measure wind speed and pressure. An Anemometer has 3 or 4 small hollow hemispheres set to catch the wind and revolve on a vertical rod, the revolutions of these cups are then recorded by the system processor which then calculates the winds velocity.

Barometer

Used to measure atmospheric pressure, this pressure tendency can forecast short-term changes in the weather. A Barometer works by measuring the pressure exerted by the atmosphere by using water, air or mercury.

Psychrometer

Is a simple form of a Hygrometer which is used to measure the relative humidity. A Psychrometer works by measuring the temperature of condensation, changes in electrical resistance and changes in electrical capacitance.

Udometer

Also known as a rain gauge is used to measure the amount of rainfall over a period of time. A Udometer works by having a rain collection container which measures the amount of rain falling into the collection point.




Visit http://www.ewirelessweatherstation.com/ for lots more about weather stations





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