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VENTUS-UMB (8371. UMT) anemometer imported from Germany

Product introduction

For high-precision measurement of wind speed and direction and virtual temperature calculation, compared with the traditional measurement method, ultrasonic measurement technology does not use any mechanical components to achieve maintenance free measurement. Digital and analog data output, according to the preset monitoring frequency, provides a variety of measurement data including real-time, mathematical average, vector average and maximum and minimum values. When the external air temperature drops to the critical temperature, the sensor can automatically heat up as required. So as to ensure its reliable operation under cold conditions.


VENTUS-UMB (8371. UMT) is applicable to wind turbines, ships/ships, meteorological fields and building automation.


Support multiple output communication protocols: NMEA, UMB-ASCII, UMB Binary, MODBUS (ASCII, RTU), SDI-12, 4.. 20mA, 0... 10V, 0...

 20mA, 2... 10V, Frequency (analog).


technical data
sizeDiameter: about 150mm, height: about 170mm
weightAbout 1.62kg
working temperature

-40... 60 ° C (heating)

-20... 60 ° C (without heating)

Heating state24 VDC largest 240 VA (140W+100W)
Bus operationUp to 32 units
Power Supply

24 VDC ± 10% or 24 VDC/1, 2 VA

12 VDC (without heating)

connection8-hole bus
Housing materialAluminum, seawater resistant
Degree of protectionIP66
column diameter50mm
Certificate of Originhave

wind direction
principleultrasonic
range0 ... 359.9 °
accuracyRoot mean square error ± 2 ° (>1.0 m/s)
resolving power0.1 °
wind speed
measuring principleultrasonic
measuring range0 ... 75 m/s
accuracy± 0.2 m/s or root mean square ± 2%
resolving power0.1 m/s
Virtual temperature
Primary surveying principleultrasonic
measuring range- 50 ... 70 °C
Measurement rate60 local measurements/15 measurements per second
accuracy± 2.0 ° C (no heating, no exposure to sunlight, wind speed<4m/s)
resolving power0.1 °C
pressure
measuring principleMEMS capacitor
measuring range300 ... 1200 hPa
accuracy±1.5hPa
relative humidity
principleCapacitive type
measuring range0 ... 100%RH
accuracy±2%RH