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Dwyer Humidity/Temperature Sensor: 4 to 20 mA, 10K Ohm Type II Thermistor, Screw Terminals - Indoor Wall-Mount Transmitters
DwyerIndoor Wall-Mount Transmitters

Dwyer Humidity/Temperature Sensor: 4 to 20 mA, 10K Ohm Type II Thermistor, Screw Terminals

The Dwyer RHP-3N4B is an indoor wall-mount transmitter that measures humidity and temperature, featuring a 4 to 20 mA output and a 10K Ohm Type II Thermistor sensing element. It offers a temperature range of -4 °F to…

SKU 3G-OTH-179236

Brand
Dwyer
Item
Humidity/Temperature Sensor: 4 to 20 mA, 10K Ohm Type II Thermistor, Screw Terminals
Category
Indoor Wall-Mount Transmitters
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Technical Specifications

Dwyer
Manufacturer Part Number
RHP-3N4B
Type
Screw Terminals, RHP-E/N
Output
4 to 20 mA
Temperature Range
-4 °F to 140 °F
Type II Thermistor
10K Ohm
Sensing Element Type
10K Ohm Type II Thermistor
Temperature Accuracy
±0.36°F @ 77°F
View Full Spec Sheet

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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dwyer RHP-3N4B is an indoor wall-mount transmitter that measures humidity and temperature, featuring a 4 to 20 mA output and a 10K Ohm Type II Thermistor sensing element. It offers a temperature range of -4 °F to 140 °F with an accuracy of ±0.36°F @ 77°F. This unit includes screw terminals for wiring connections.

Used in

Common applications for Dwyer
Combustion air-filter monitoring — Magnehelic Series 2000 on burner air-intake filter banks
Clean-room and pharmaceutical pressurisation — Magnehelic / Capsuhelic differential-pressure gauges
HVAC fan-discharge static pressure — Mark II inclined-vertical manometers on AHU test points
Filter-blockage alarms — Photohelic Series 3000 combined gauge/switch on air-handling units
BMS-integrated pressure monitoring — Digihelic DH3 with 4–20 mA output for building management

Dwyer Products

3G Electric supplies Dwyer indoor wall-mount transmitters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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DWYER Humidity/Temperature Sensor: 4 to 20 mA, 10K Ohm Type III Thermistor, Screw Terminals, RHP-E/N (MPN RHP-3N4A). Key specifications — Sensing Element Type: 10K Ohm Type III Thermistor; Temperature Accuracy: ±0.36°F @ 77°F; Output: 4 to 20 mA; Temperature Range: -4 °F to 140 °F.
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