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    WS400 UMB

    Item No: 8369_U01

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    Product Description

    WS400 UMB
    Compact all-in-one weather sensor for measurement of temperature, relative humidity, precipitation intensity, precipitation type, precipitation quantity and air pressure.

    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, precipitation intensity, precipitation type, precipitation quantity and air pressure. One external temperature sensor is connectable.

    Parameters measured: Temperature, relative humidity, precipitation intensity, precipitation type, precipitation quantity and air pressure

    Measurement technology: Ultrasonic/Wind, NTC/T, Capacitive/RH, MEMS capacitive/Pressure, 24 GHz Doppler radar/Precipitation

    Product highlights: Compact all-in-one weather sensor, low power, heater, aspirated radiation shield, maintenance-free operation, open communication protocol

    Interfaces: RS485 with supported protocols UMB-Binary, UMB-ASCII, Modbus-RTU, Modbus-ASCII, XDR and optional SDI-12

    Specifications and additional product information
    Lufft WS400-UMB 8369.U01
    Dimensions Ø approx. 150 mm, height approx. 280 mm
    Weight approx. 2kg
    Temperature
    Principle NTC
    Measuring range -50...60°C
    Accuracy ±0.2°C (-20°C...+50°C), otherwise ±0.5°C (> -30 ° C)
    Relative humidity
    Principle capacitive
    Measuring range 0…100% RH
    Accuracy ±2% RH
    Precipitation intensity
    Resolution 0.01mm
    Measuring range drop size 0.3...5mm
    Reproducibility typ. >90%
    Precipitation type Rain/snow
    Air Pressure
    Principle MEMS capacitive
    Measuring range 300...1200 hPa
    Accuracy ±0.5hPa
    General Information
    Heating 20VA at 24 VDC
    Interface RS 485 2-wire, half duplex
    Operating power consumption 24 VDC +/- 10% < 4VA (without heating)
    Operating humidity range 0...100%
    Operating temperature range -50...60°C
    Accessories
    Surge protection 8379.USP
    Power supply 24V/4A 8366.USV1
    RS485 to USB Cable 8160RS485USB
    20m Cable 8370.UKAB20 (Other lengths available)
    $2,163.00
        
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