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    WS300 UMB

    Item No: 8372_U01

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    Product Description

    WS300 UMB
    Temperature/ humidity/ 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
    • Air pressure

    Available with low-power setting for remote stations with solar power. Comes with 10m cable. Radar-based precip itation detection. Aspirated temperature/ humidity measurement. Open communication protocol:

    • ASCII
    • UMB
    • SDI-12
    • MODBUS
    • Analog outputs in combination with 8160.UDAC

    Specifications and additional product information
    Lufft WS300-UMB 8372.U01
    Dimensions Ø approx. 150 mm, height approx. 225 mm
    Weight approx. 0.8 kg
    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
    Air Pressure
    Principle MEMS capacitive
    Measuring range 300...1200 hPa
    Accuracy ±0.5hPa
    General Information
    Interface RS 485 2-wire, half duplex
    Protection type housing IP66
    Operating power consumption 24 VDC +/- 10% < 4VA (without heating)
    Operating humidity range 0...100%
    Operating temperature range -50...60°C
    Surge protection 8379.USP ($293.00)
    Power supply 24V/4A 8366.USV1($420.00)
    20m Cable 8370.UKAB20 (other lengths available)($177.00)
    RS485 to USB Cable 8160RS485USB
    Digital-analog-converter 8160.UDAC($1310.00)