SenTec

SEM2000 Mini Ultrasonic Compact weather station

SEM2000 mini automatic weather station can simultaneously monitor multiple optional meteorological parameters: wind speed, wind direction, temperature, humidity, pressure, precipitation, solar radiation, UV radiation, luminance and PM1.0/2.5/10.

SEM2000 mini automatic weather station can simultaneously monitor multiple optional meteorological parameters: wind speed, wind direction, temperature, humidity, pressure, precipitation, solar radiation, UV radiation, luminance and PM1.0/2.5/10.

Measurement of precipitation adopts advanced small 24GHz Doppler radarThe speed rate of drops is registered with a 24 GHz radar system. By comparison between the speed rate and the size of drops, the quantity of rain or its intensity will be registered. The rain/precipitation type (rain/snow/snow-covered rain/freezing rain/hail) is determined thanks to the speed rate of the rain.

Thanks to the adoption of new technology and design, the structure is more compact and robust. No need to conduct maintenance or calibration after installation.It’s very suitable to be integrated into Agrometeorological System.

Parameters

ITEMS

Principle

Range

Accuracy

Resolution

Wind speed

Ultrasonic

0-40m /s

± 3%

0.1m/s

Wind direction

Ultrasonic

0-359 °

±3 °

1 °

Temperature (optional)

MEMS sensor

– 40 ℃ – + 80 ℃

± 0.5℃

0.1 ℃

Humidity (optional)

MEMS sensor

0-100%

±5%

1%

Atmospheric pressure (optional)

MEMS sensor

150 - 1100hPa

±1hpa

0.1hPa

Rainfall (optional)

Radar

0-200mm/hr

±5%

0.1mm

Digital output

Digital output: RS232, RS485, SDI-12; analog output (optional): 2-4-20mA

Power supply

VDC: 5V-30V

IP protection

IP65

Operating environment

-30℃ – +60℃,0 – 100%

Communication

ModBus,NMEA-0183,ASCII

Size

Φ84×120mm ABS: 0.38kg Aluminum alloy: 0.78kg

Material

ABS engineering plastics/aluminum alloy

Power Consumption

0.2W (wind speed, wind direction, temperature and humidity, air pressure)
+ 1.5W (rainfall)

Documents

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Installation & Maintain

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