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, wind direction, wind speed and radiation. One external temperature or rain sensor is connectable.
General | |
Dimensions | Ø approx. 150mm, height approx. 392mm |
Weight | Approx. 1.5kg |
Interface | RS485, 2-wire, half-duplex |
Power supply | 11…32 VDC |
Power supply | 5…11 VDC (electronics with limited precision of measurements) |
Power supply | 24 VDC +/- 10% (heater) |
Power consumption | 20 VA (heater) |
Operating temperature | -50…60°C (with heater) |
Operating rel. humidity | 0…100% RH |
Cable length | 10m |
Protection level housing | IP66 |
Standards/Regulations | Compliant to IEC 61724-1:2017 Class C |
Mast mounting suitable for | mast diameter 60 – 76mm |
Radiation | |
Response time (95%) | < 18 s |
Non-stability (change/year) | < 1 % |
Non-linearity (0 to 1,000W/m²) | < 1 % |
Directional error (at 80° with 1,000W/m²) | < 20 W/m² |
Temperature dependence of sensitivity | < 5 % (10… +40 °C) |
Tilt error (at 1000W/m²) | < 1 % |
Spectral range | 300…2800 nm |
Measuring range | 2000 W/m² |
Altitude | 0…60 ° |
Compass | |
Measurement range | 0 … 359° |
Resolution | 1.0° |
Accuracy | +/-10° |
Sampling rate | 5 minutes |
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) |
Wind direction | |
Principle | Ultrasonic |
Measuring range | 0 … 359.9 ° |
Unit | ° |
Accuracy | < 3° RMSE > 1.0m/s |
Resolution | 0.1 |
Wind speed | |
Principle | Ultrasonic |
Measuring range | 0 … 75 m/s |
Unit | m/s |
Accuracy | ±0.3m/s or ±3% (0…35m/s) ±5% (>35m/s) RMS |
Resolution | 0.1 m/s |
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