TRH Temp. & Humidity Transmitter

TRH-301 | TRH-302 | TRH-303

  • Fast, Stable & Accurate
  • Watertight encl osur e
  • Compact size, easy mounting
  • Excel lent long-term stability
  • Wide input voltage range (12~40V dc)
  • Available with either current or voltage out put
  • On-site, Zero & Span calibration

Product Specification

Measurement Range0~100% RH
0~100°C (-20~+80°C, 0~50°C, -40~+60°C also is available)
Accuracy (At 25°C)±2% RH, 0.3°C
Longterm StabilityBetter than 1% RH per year (Typical)
Temp. Compensation±0.008% RH/°C (Effect@0% RH)
Response< 15 seconds (90% at +25°C in moving air at 0.5M/S)
SensorsHumidity: Thin-film capacitor
Temperature: RTD-Pt100W IEC751
OutputHumidity: 4~20mA (2-wire)
Temperature: 4~20mA (2-wire), scalable
*Option available for Input Signal output 0~1V, 0~5V, 0~10V or 1~5V
Supply Voltage12~40V DC
Max. Pressure2.0kg/cm²
HousingABS plastic watertight enclosure (IP65)
ConnectionsLiquid-tight nylon, cable bushing: ⌀5-10mm cables
Ambient Temperature-40~+85°C (-40~+185°F)
WeightApprox. 150g

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TRH Temp. & Humidity Transmitter

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