All In One

WS401-UMB Smart Weather Sensor

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Imagen de: WS401-UMB Smart Weather Sensor

Compact all-in-one weather sensor for measurement of temperature, relative humidity, precipitation and air pressure.

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 and air pressure. One external temperature sensor is connectable.

  • Temperature, relative humidity, precipitation and air pressure
  • NTC/T, Capacitive/RH, Tipping bucket/Precipitation, MEMS capacitive/Pressure
  • Compact all-in-one weather sensor, low power, aspirated radiation shield, open communication protocol
  • RS485 with supported protocols UMB-Binary, UMB-ASCII, Modbus-RTU, Modbus-ASCII, XDR and SDI-12
  • 8377.U01
Technical data
Dimensions Ø ca. 150mm, height ca. 380mm
Weight Approx. 1.5 kg
Interface RS485, 2-wire, half-duplex
Power supply 4 ..11…32 VDC
Power supply 5…11 VDC (electronics with limited precision of measurements)
Power supply 24 VDC +/- 10% (heater)
Power consumption 40 VA (heater)
Operating temperature -50 … 60°C (with heater)
Operating rel. humidity 0 … 100% RH
Cable length 10m
Protection level housing IP66
Mast mounting suitable for mast diameter 60 – 76mm
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)
Resolution 0.2 mm
Accuracy ±2 %
Max. intensity 360 mm/h
Precipitation with reduction ring
Resolution 0.5 mm
Accuracy ±2 %
Max. intensity 144 mm/h
Imagen de WS401-UMB Smart Weather Sensor
Imagen de WS401-UMB Smart Weather Sensor

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