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

radiation

Response time (95%): 18 s

Annual instability: ±1 %

Nonlinearity (0 to 1000 W/m2): ±1 %

Directional error (1000 W/m2 at 80°): ±20 W/m2

Temperature-dependent sensitivity: ±5 % (–10 ... +40°C)

Tilt error (at 1000 W/m2): ±1 %

Spectral range (output attenuation less than 50%): 300 ... 2,800 nm

Measurement range: 0...1400 W/m2

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…75 m/s

Unit: m/s; km/h; mph; kts

Accuracy: Measured value ±0.3 m/s, or 3% of the maximum value (0~35 m/s), 5% (>35m/s)

Technical parameters

Protection level: IP66

Specifications: 150 mm in diameter, 332 mm in height

Weight: 1.5Kg

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

Digital-to-analog converter DACON8-UMB

Temperature sensor WT1

Pavement temperature sensor WST1

Rain sensor WTB100

Connection cable 20m

Place of origin

German Lufft