Technical Indicators Specifications: Approximately Ø150mm, 268mm high Weight: about 1.3kg Protection level: IP66 Communication interface: RS485, 2-wire, half-duplex Power consumption: 4...32VDC Working humidity: 0…100% Operating temperature: –50…60°C temperature Principle: NTC Range: –50…60°C Accuracy: ±0.2°C (–20°C…+50°C), the remaining ±0.5°C (>-30°C) Relative humidity Principle: Capacitor Range: 0…100% RH Accuracy: ±2%RH Total solar radiation Response time (95%): < 18s Annual instability: <1% Nonlinearity (0 to 1000W/m²): <1% Directional error (1,000W/m² at 80°): <20W/m² Temperature-dependent sensitivity: < 5% (–10…+40°C) Tilt error (when 1000W/m²): <1% Spectral range: 300…2800nm Range: 0-1400W/m² Air pressure Principle: MEMS capacitor Range: 300…1200hPa Accuracy: ±0.5hPa (0…+40°C) appendix Surge protection device Power supply 24V/4A UMB interface converter ISOCON-UMB Digital to analog signal converter DACON8-UMB Surface temperature sensor WT1 Pavement temperature sensor WST1 Rainfall barrel WTB100 20m cable (standard configuration is 10m, please select this if you need 20m) Place of origin German Lufft | ![]() |