WS503-UMB tiltable total radiation meter, wind, air pressure, temperature and humidity

air temperature

Principle: NTC

Range: -50... 60 ° C

Accuracy: ± 0.2 ° C (-20 ° C...+50 ° C), other ± 0.5 ° C (>-30 ° C)

relative humidity

Principle: Capacitor

Range: 0... 100% RH

Accuracy: ± 2% RH

Total radiation

Response time (95%):<18s

Annual instability:<1%

Nonlinear (0 to 1000W/m ²):<1%

Directional error (1000W/m ² at 80 °)<20W/m ²

Sensitivity related to temperature:<5% (-10...+40 ° C)

Tilt error (at 1000W/m ²):<1%

Spectral range: 300... 2800nm

Range: 1400W/m ²

Vertical angle: 0... 60 °

Azimuth angle: -10 °...+10 °

air pressure

Principle: MEMS capacitor

Range: 300... 1200hPa

Accuracy: ± 0.5 hPa (0...+40 ° C)

wind direction

Principle: Ultrasonic waves

Range: 0... 359.9 °

Accuracy:<3 °, RMSE>1.0m/s

wind speed

Principle: Ultrasonic waves

Range: 0... 90m/s

Accuracy: ± 0.2m/s or ± 2% RMS, take the maximum value (0... 65m/s), the rest ± 5%

Technical Parameter

Specifications and dimensions: approximately Ø 150mm, height 392mm

Weight: Approximately 1.5kg

Heating: 20VA 24VDC

Protection level: IP66

Digital communication interface: RS485, 2-wire, half duplex

Power consumption: 4... 32VDC

Working humidity: 0... 100%

Working temperature: -50... 60 ° C

attachment

Surge protector

Power supply 24V/4A

UMB Communication Interface Converter ISOCON-UMB

Digital to Analog Signal Converter DACON8-UMB

Surface temperature sensor WT1

Road surface temperature sensor WST1

20m cable (standard 10m, please select this option if 20m is required)

Rain bucket WTB100

origin

Lufft Germany