Temperature Sensors & Probes 

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Humidity Wall Transducer

Humidity Wall Transducer for HVAC Applications

  • Humidity Wall TransducerEasy wall mounting
  • Sensirion SHT21  sensor
  • Measures RH and Temperature
  • IP65 protection
  • High level accuracy and stability
  • Current and Voltage outputs



 The TCT20 Humidity Wall Transducer

is specially designed for HVAC applications where accuracy and reliability is required. The Sensirion Sensor, housed in a IP65 polcarbonate enclosure, measures Relative Humidity  and Temperature. The new Sensirion SHT21 sensor offers ±3% RH accuracy and Temperature tolerance of ±0.3°C at 25°C. The humidity wall transducer offers long term stability and protection from contaminants and condensation.

 Performance Specs

Parameter                                                                 Temperature                                          Relative Humidity

Measurement Range                                             0 ~ +50°C                                              0 ~ 100% RH

-40°C ~ +60°C

-20°C ~ +80°C

Accuracy @ 25°C                                                 ±0.3°C                                                       ±3%RH (20 ~ 80%)

Stability                                                                   <0.1°C                                                        <0.5%RH/Yr

Response Time                                                     <15 secs                                                    <12 secs(63%)

Power supply                                                         2 wire: 12~24V, 3 wire 15~24V



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