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WS302
Compact all-in-one weather sensor for measurement of temperature, relative humidity, air pressure and radiation.
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, air pressure and radiation. One external temperature or rain sensor is connectable.
- Temperature, relative humidity, air pressure, radiation
- NTC/T, Capacitive/RH, MEMS capacitive/Pressure, Lufft Pyranometer/Radiation
- Compact all-in-one weather sensor, low power, heater, aspirated radiation shield, maintenance-free operation, open communication protocol
- RS485 with supported protocols UMB-Binary, UMB-ASCII, Modbus-RTU, Modbus-ASCII, XDR and optional SDI-12
- FEATURES
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- All-in-one housing concept of a compact weather sensor combining several 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 dataloggers and PLS systems thanks to an open communication protocol
- Maintenance-free operation – no moving parts that can wear out
- Suitable for all climate zones; also for solar-powered automatic meteorological stations
- Ventilated temperature and humidity measurement according to WMO guidelines
- Integrated heater that can be switched on if there is danger of frost
- Specs
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General Technical data Weight Approx. 1.3kg Interface RS485, 2-wire, half-duplex Power supply 4…32 VDC Operating temperature -50…60°C Operating rel. humidity 0…100% RH Heating 20VA at 24 VDC Dimensions Ø approx. 150mm, height approx. 253mm Protection level housing IP66 Mast mounting suitable for mast diameter 60 – 76mm Radiation Unit W/m² Accuracy 5% Response time (95%) < 1 s Spectral range 300 to 1100 nm Measuring range 1400 W/m² 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) - Downloads
