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HTU3500 RH transducers are dedicated humidity and temperature plug and play transducer designed for OEM applications where reliable and accurate measurements are needed. Direct interface with a micro-controller is made possible with the modules humidity linear voltage and direct NTC outputs. The HTU3500 Series are designed for high volume and demanding applications where power consumption is critical. Optional PTFE filter/membrane (F) protects HTU3500 Series modules analog humidity modules with temperature output against dust, water immersion as well as against contamination by particles. PTFE filter/membrane preserves a high response time. Several connectors are proposed. 5VDC or 3VDC power supply products are available. HU3500 – analog Humidity sensor only – can be proposed.


  • Compact plug and play module with no external component required 
  • Can operate under 5VDC or 3VDC 
  • Relative Humidity and Temperature Analog Output 
  • Full interchangeability. No calibration required 
  • Can operate under 5VDC or 3VDC 
  • Low power consumption 
  • Fast response time 
  • Instantaneous desaturation after long periods in saturation phase 
  • Analog output 
  • Demonstrated reliability and long term stability 
  • Reliability not affected by repeated condensation


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

Product Type Features

  • Product Type  RHT

  • Sensor Type  Analog

Electrical Characteristics

  • Supply Voltage (Peak) (VDC) 16

  • Nominal Output @55%RH (at 5 VDC) (V) 1.49

  • Current Consumption (mA) 1.2

  • Output Impedance (Ω) 50

  • Nominal Resistance @25°C (kΩ) 10

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

Usage Conditions

  • Operating Temperature Range  -40 – 85 °C [ -40 – 185 °F ]

  • Humidity Measuring Range (%RH) 0 – 100

  • Accuracy (%RH) ±2

  • Temperature Coefficient (%RH/°C) - .15

  • Sensitivity (mV/%RH) 26


  • Response Time (seconds) 10

  • β-Value B25/50 (K) 3380

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