Lufft WS301-UMB - Temperature, Relative Humidity, Total Radiation, Air Pressure

TECHNICAL INDEX

Specifications and dimensions: approximately Ø 150mm, height 268mm

Weight: Approximately 1.3kg

Protection level: IP66

Communication interface: RS485, 2-wire, half duplex

Power consumption: 4... 32VDC

Working humidity: 0... 100%

Working temperature: - 50…60°C

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 solar radiation

Response time (95%):<18s

Annual instability:< 1%

Nonlinear (0 to 1000W/m ²):< 1%

Directional error (1000W/m ² at 80 °):< 20W/m²

Sensitivity related to temperature:< 5%（–10…+40°C）

Tilt error (when 1000W/m ²):< 1%

Spectral range: 300... 2800nm

Range: 0-1400W/m ²

air pressure

Principle: MEMS capacitor

Range: 300... 1200hPa

Accuracy: ± 0.5hPa (0...+40 ° C)

attachment

Surge protector

Power supply 24V/4A

UMB interface converter ISOCON-UMB

Digital to Analog Signal Converter DACON8-UMB

Surface temperature sensor WT1

Road surface temperature sensor WST1

Rain bucket WTB100

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

origin

Lufft Germany