Economical RH Sensor/Transmitter

HX71 Series

RH Transmitter

^USD196.00 HX71-MA

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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

Relative Humidity Measurement Instruments - View related products

Description

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.

SPECIFICATIONS
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)
Output:
    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
Wiring:
    HX71-MA:
        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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Part Number/Desc.

Qty

Description

HX71-MA

USD196.00

Availability: 5 weeks

RH sensor/transmitter with 4 to 20 mA output

HX71-V1

USD196.00

Availability: 4 weeks

RH sensor/transmitter with 0 to 5 Vdc output

HX71-V2

USD196.00

Availability: 3 weeks

RH sensor/transmitter with 0 to 1 Vdc output

Accessories

HX70-MKIT

USD22.50

Availability: 5 weeks

Wall/duct mounting kit

PSR-24S

USD88.00

Availability: 16 weeks

Regulated power supply, US plug, 90 to 264 Vac input, 24 Vdc output, 400 mA, screw terminals, UL

PSR-12L

USD88.00

Availability: 1 week

Regulated Power supply, US plug, 100 to 250 Vac input, 12 Vdc output, 1.2A, stripped leads

TX4-100

USD51.00

Availability: 1 week

4-conductor shielded transmitter cable, 30 m (100')

† All amounts shown in USD
Note: Comes with an integral shielded cable with striped wire leads, removable protective sensor filter and operator’s manual.
Ordering Example: (1) HX70-MKIT Wall/duct mounting kit, USD22.50 plus (1) HX71-MA RH sensor/transmitter with 4 to 20 mA output, USD196.00 plus (1) PSR-24S Regulated power supply, USD88.00, USD22.50 + 196.00 + 88.00 = USD306.50