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HTM2500LF is a dedicated humidity and temperature transducer designed for OEM applications where a reliable and accurate measurement is needed. Direct interface with a microcontroller is made possible with the module’s humidity linear voltage output. 


  • Hermetic Housing
  • Humidity calibrated within +/-2% @55%RH
  • Temperature measurement through NTC 10kOhms +/-1% direct output
  • Small size product
  • Typical 1 to 4 Volt DC output for 0 to 100%RH at 5Vdc
  • Full interchangeability
  • High reliability and long term stability
  • Not affected by water immersion
  • Ratiometric to voltage supply
  • Suitable for 3 to 10 Vdc supply voltage 

Please review product documents or contact us for the latest agency approval information.  

Product Type Features

  • Product Type  RHT Module

  • Sensor Type  Analog

Electrical Characteristics

  • Supply Voltage (Peak) (VDC) 12

  • Nominal Output @55%RH (at 5 VDC) (V) 2.48

  • Current Consumption (mA) 1

  • Output Impedance (Ω) 70

  • Nominal Resistance Tolerance @25°C (%) 1

  • Nominal Resistance @25°C (kΩ) 10

Usage Conditions

  • Operating Temperature Range (°C) -40 – 85

  • Humidity Measuring Range (%RH) 0 – 100

  • Accuracy (%RH) ±3

  • Temperature Coefficient (%RH/°C) .1

  • Sensitivity (mV/%RH) 26


  • Response Time (seconds) 10

  • β-Value B25/50 (K) 3380

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