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Relative Humidity Signal Conditioner/Transmitter Probe

Economical RH Sensor/Transmitter

Item# HX71-MA

Economical RH Sensor/Transmitter HX71-MA HX71-MA

This product has been discontinued, for alternative products, please consider the HX300A Series

  • 316 SS Housing
  • Accurate to ±4% RH @ 23°C
  • 3 Different Output Models: 4 to 20 mA, 0 to 1 Vdc or 0 to 5 Vdc
  • Removable Stainless Steel Sensor Cap
  • Ideal for Wall or Duct Mounting

The HX71 Series relative humidity sensor/transmitter provides a reliable and economical method for most relative humidity monitoring applications. The compact design is ideal for wall or duct mounting. Each unit is factory calibrated to provide excellent sensitivity, fast response, and stability. The unit features a simple installation and hookup. The linearized current or voltage output permits interfacing with most display and control devices like meters, controllers, recorders, and data loggers. The design features a 316 SS NEMA 4 (IP66) housing and includes a shielded output cable with stripped wire leads. A mounting kit is available that allows for wall or duct mounting.

Accuracy RH:@23°C ±4% RH from 15 to 85%RH; ±4.5 % RH below 15 and above 85%RH
Note: For Optimum performance, Unit should be operated in >1 MPH of moving air.”
Input Voltage Range
Model HX71-MA: 8 to 12 Vdc (polarity protected)
Model HX71-V1, HX71-V2: 8 to 24 Vdc (polarity protected)
HX71-MA: 4 to 20 mA for 0 to 100% RH
HX71-V1: 0 to 5 Vdc for 0 to 100% RH
HX71-V2: 0 to 1 Vdc for 0 to 100% RH
Red Wire: + power
Black Wire: + output/return
HX71-V1, HX71-V2:
Red Wire: + power
Black Wire: - power/output
White Wire: + output
RH Temperature Compensation: -25 to 85°C (-13 to 185°F)
Repeatability: ±1% RH
Housing: 316 stainless steel
Connections: 2 m (6') shielded cable, stripped leads, PVC sheath
Dimensions: 130 x 16mm D (5.125 L X .625" D)
Weight: 67 g (0.18 lbs)
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Wall/duct mounting kit
17 In Stock
Accessories & Options
4-conductor shielded cable, 30 m (100')
11 In Stock
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