temperature Principle: NTC negative temperature coefficient thermistor Measurement range: -50…60°C Accuracy: ±0.2°C (-20…50°C) Others: ±0.5°C (>-30°C) Relative humidity Principle: Capacitive Measurement range: 0…100 % RH Accuracy: ±2 % RH Air pressure Principle: MEMS capacitive Measurement range: 300…1200 hPa Accuracy: ±0.5 hPa (0 … +40°C) wind direction Principle: Ultrasonic Measurement range: 0–359.9° Accuracy: Root Mean Square Error < 3° (>1.0 m/s) Wind speed Principle: Ultrasonic Measurement range: 0…30 m/s Accuracy: ±0.3 m/s, or 3% of the maximum value (0~35 m/s) 5% (>35m/s) Precipitation Resolution: 0.2mm / 0.5mm Accuracy: ±2 % Precipitation type: Rain Technical parameters Protection level: IP66 Specifications: Diameter 164 mm Height 445 mm Weight: 1.7Kg Interface: RS485, dual-wire connection method, half-duplex Power supply: 24VDC ±10% (without heating) Operating temperature: -50…60°C Working humidity: 0…100% RH Heating power: 20VA @ 24VDC Accessories Surge protector Power supply 24V/4A UMB Interface Converter ISOCON Wet leaf sensor WLW100 Temperature sensor WT1 Pavement temperature sensor WST1 Connection cable 20m Place of origin German Lufft | ![]() |