Envco – Environmental Equipment

From the WS product family of professional intelligent measurement transducers with digital interface for environmental applications.

Special features:
• Ultrasonic wind sensor
• Maintenance-free operation
• Open communication protocol

Technical data
Dimensions Ø ca. 150mm, height ca. 290mm
Weight Approx. 1.3kg
Interface RS485, 2-wire, half-duplex
Power supply 24 VDC ±10% <4VA (without heating)
Operating temperature -50...60°C
Operating rel. humidity 0...100% RH
Heating 20VA at 24VDC
Cable length 10m

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 ±1.5hPa

Wind direction
Principle Ultrasonic
Measuring range 0 .. 359.9 °
Unit °
Accuracy ±3°

Wind speed
Principle Ultrasonic
Measuring range 0 .. 60 m/s
Unit m/s
Accuracy ±0.3m/s or 3% (0...35m/s)

Ordering Information
8373.U01 WS500-UMB Compact weather station

8160.UISO UMB Interface converter ISOCON
8357.450 Mast 4.5m, hot-dip galvanized, tiltable
8366.USV1 Power supply 24V/4A
8367.TRAV Traverse for R2S + WS500
8379.USP Surge protection