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  • 产品名称：数字温湿度变送器

  • 产品型号：WR285
  • 产品厂商：其它品牌
  • 产品文档：
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简单介绍：
WR285相对湿度传感器使用HYGROSMART传感器可更换模块，可替换探头和电缆，该仪表因为远传探头并拥有各种尺寸，所以可以用在高温环境中。内置可替换传感器便于重新校验和减少维护成本。
详情介绍：

Product Features

  • Maximum pressure: 30 bar 1/2 GAZ
  • Measuring range: RH 0 – 100%
  • Humidity output signal: 0–1 VDC; 0–5 VDC; 0–10 VDC;
    0–20 mA; 4–20 mA (selectable through software)
  • Digital output: RS485 (MODBUS)
  • Supply voltage: 24 VAC/VDC

    Technical Specification

    PERFORMANCE
    Measurement Range (RH)0-100% RH
    Accuracy RH @ 25°C<±2% RH (5-95% RH)
    Stability - RH Sensor<±1% RH/year
    Response Time - RH Sensor<10 sec typical (for 90% of the step change)
    ELECTRICAL INPUT/OUTPUT
    Output Signal0–1 VDC, 0–5 VDC, 0–10 VDC
    0–20 mA, 4–20 mA (3 wires) RS485
    Supply Voltage15 ≤ VAC ≤ 27
    18 ≤ VDC ≤ 38
    Load ResistanceCurrent output: R ≤ 500 Ω
    Current Consumption1.7 W
    OPERATING CONDITIONS
    Operating TemperatureProbe: -30 to +120°C
    Housing: -30 to +70°C
    Storage: -40 to +70°C
    Operating Humidity
    Probe: 0–100% RH
    Housing: 0–100% RH
    Storage: 0–100% RH
    MECHANICAL SPECIFICATIONS
    Ingress Protection SensorIP67
    MaterialHousing: Aluminium die casting
    Probe: Stainless steel
    Electrical ConnectionsScrew terminals
    DimensionsHousing: 120 x 120 x 51 mm
    Probe: L=148mm, ø18mm
    Weight450g
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