WS601-UMB

Compact all-in-one weather sensor with measurement of temperature, relative humidity, precipitation intensity, precipitation type, precipitation quantity, air pressure, wind direction and wind speed.

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WS601 UMB

Key features

  • Measuring wind direction and speed insusceptibly to bird nesting thanks to roofed construction
  • All-in-one housing concept of a compact weather sensor combining 7 measurement parameters in one housing with only one cable connection
  • Built-in data pre-processing, universal interfaces and selectable output protocols
  • Compatible with many commercially available Met/HydroMet data loggers and PLS systems thanks to an open communication protocol
  • Suitable for all climate zones; also for solar-powered automatic meteorological stations
  • Ventilated temperature and humidity detection

From the WS product family of professional intelligent measurement transducers with digital interface for environmental applications. Integrated design with ventilated radiation protection for measuring: Air temperature, relative humidity, precipitation intensity, precipitation type, precipitation quantity, air pressure, wind direction and wind speed. One external temperature sensor is connectable.

Technical specification

General

Dimensions Ø approx. 164 mm, height approx. 445 mm
Weight Approx. 1.7 kg
Interface RS485, 2 - wire, half - duplex
Power supply 11…32 VDC
Power supply 5…11 VDC (electronics with limited precision of measurements)
Power supply 24 VDC +/- 10% (heater)
Power consumption 20 VA (heater)
Operating temperature -50...60 °C (with heater)
Operating rel. humidity 0...100 % RH
Protection level housing IP66
Standards/Regulations Compliant to IEC 61724-1:2017
Mast mounting suitable for Mast diameter 60 - 76 mm
Cable length 10 m

Temperature

Principle NTC
Measuring range -50 ... 60 °C
Unit °C
Accuracy ±0.2 °C (-20...50 °C), otherwise ±0.5 °C (>-30 °C)

Relative humidity

Principle Capacitive
Measuring range 0 ... 100 % RH
Unit % RH
Accuracy ±2 % RH

Air pressure

Principle MEMS capacitive
Measuring range 300 ... 1200 hPa
Unit hPa
Accuracy ±0.5 hPa (0...40 °C)

Wind direction

Principle Ultrasonic
Measuring range 0 ... 359.9 °
Unit °
Accuracy < 3 ° RMSE > 1.0 m/s
Resolution 0.1

Wind speed

Principle Ultrasonic
Measuring range 0 ... 30 m/s
Unit m/s
Accuracy ±0.3 m/s or 3 % RMS
Resolution 0.1 m/s

Precipitation

Accuracy ±2 %
Resolution 0.2 mm
Maximum intensity 144 mm/h

Precipitation (with reduction ring)

Accuracy ±2 %
Resolution 0.5 mm
Maximum intensity 360 mm/h