HTW51 Wall Temp & Humidity Detector Wall Temperature & Humidity Detector.. Product #: HTW51-AU

HTW51 Wall Temp & Humidity Detector

Product Code: HTW51-AU
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 HTW51 Temperature and Relative Humidity detector



  • Modern, attractive enclosure design
  • Wall mounted
  • Onboard temperature sensor
  • Onboard humidity sensor



Power Input 24VDC or 24VAC ±10% @ 50/60Hz Note
Power Consumption 10mA @24VDC (80mA w/ backlight on)
Note Polarity MUST be observed when connecting power.
Note If using 24VAC, the data and power cabling should be segregated and data run in screened cable (as shown on page 5 of datasheet).
Operating Temperature 0°C to 40°C (32°F to 104°F) non-condensing
Storage Temperature 0°C to 50°C (32°F to 122°F) non-condensing
Housing is moulded from flame retardant plastics recognised by UL as UL94-V0. The housing is designed to maximise airflow to the onboard sensors. It should be mounted with a standard vertical C-Clip, or on a standard wall enclosure.
Color Grey / White
Dimensions (Maximum)             (W)70mm x (H)121mm x (D)41mm             [2.76" x 4.76" x 1.6"]
EN61326-1:2013 for CE Marking and RCM Labelling
Title 47 CFR, Part 15, Subpart B, Class A for FCC Verification

Onboard Sensor

Combination RH Capacitive Polymer & Temperature PTAT Solid State
RH Accuracy ±1.8% @ 23°C (73°F) from 0 to 80%
RH Linearity             Less than ±1% RH
RH Hysteresis ±0.2°C (0.36°F)                         from 0 to 60°C (32 to 140°F)
Resistance             NTC 10,000Ω thermistor (10K-2)
Accuracy ±0.2°C (0.36°F)                         from 0 to 70°C (32 to 158°F)

Inputs and Outputs

Temperature Temperature (Temp) Resistance, 10K-2 thermistor (Isolated)
Humidity (RH) 0 to 10VDC = 0 to 100% RH signal output (ref. to power GND)



HTW5xC Datasheet PDF(.pdf  3.68 MB)


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