download the leaflet: Ultrasonic Wind Sensor 8371UMT

No. 8371UMT Ultrasonic Wind Sensor

Extremely precise and maintenance-free measurement of wind velocity and wind direction as well as calculation of acoustic virtual temperature.
 
Specifications:
Dimensions: Ø approx. 150 mm, height approx. 170 mm
Weight: approx. 1.62 kg
 
Wind direction           
     Principle: Ultrasonic
     Measuring range: 0 …359.9 °
     Accuracy: < ± 2 ° RMSE >1.0 m/s
 
Wind speed
     Principle: Ultrasonic
     Measuring range: 0…90 m/s
     Accuracy: ± 0.2 m/s or ± 2% RMSE (bigger value)
     for  0…65m/s  otherwise ±5%

Virtual temperature        
     Principle: Ultrasonic
     Measuring range : -50 °C…+70 °C
     Resolution: 0.1 °C
     Accuracy: ± 2.0 C (without heater and without sun exposure or wind >4m/s)
     Measuring rate: 60 partial measurement, 15 full measurements per second

Pressure
     MEMS (Micro-electromechanical systems) capacitive
     Range: 300 ... 1200 hPa
     Accuracy: ± 1.5 hPa resp. ± 0.5 hPa in 0 ... +40°C

Ambient temperature:
     -40..+60 °C (with heating)
     -20..+60 °C (without heating)
Bus operation: up to 32 devices
Operating voltage: 24 VDC ± 10% or 24 VDC /1.2VA   
Electronics:
     without heating: 12 VDC 
     with heating: 24 VDC, max. 240 VA (140 W + 100 W)
Electr. connection: 8 pole plug
Housing material: Aluminium, seawater-proof
Protection type: IP 68
Ø mounting pole: 50 mm / 2“
Factory certificat: yes
 
Optional accessories 
     Surge protection: 8379.USP-V
     Connection cable, 15m: 8371.UK015
     Connection cable, 50m: 8371.UK050

Dr. Alfred Müller - Meteorologische Instrumente KG
Chausseestraße 39 / 42c, D-15712 Königs Wusterhausen
Telefon: +49 (0)3375 9025-32 Telefax.: +49 (0)3375 9025-36
e-Mail: info@meteomueller.de