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Dwyer Humidity/Temperature Sensor: 4 to 20 mA, Solid State Band Gap, Screw Terminals - Indoor Wall-Mount Transmitters
DwyerIndoor Wall-Mount Transmitters

Dwyer Humidity/Temperature Sensor: 4 to 20 mA, Solid State Band Gap, Screw Terminals

The Dwyer RHP-2E4A is an indoor wall-mount transmitter that measures humidity and temperature. It features a solid state band gap sensing element and provides a 4 to 20 mA output over a temperature range of -4 °F to…

SKU 3G-OTH-179253

Brand
Dwyer
Item
Humidity/Temperature Sensor: 4 to 20 mA, Solid State Band Gap, Screw Terminals
Category
Indoor Wall-Mount Transmitters
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Technical Specifications

Dwyer
Manufacturer Part Number
RHP-2E4A
Type
Solid State Band Gap, Screw Terminals, -4°F to 140°F
Output
4 to 20 mA
Temperature Range
-4 °F to 140 °F
Sensing Element Type
Solid State Band Gap
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-2E4A is an indoor wall-mount transmitter that measures humidity and temperature. It features a solid state band gap sensing element and provides a 4 to 20 mA output over a temperature range of -4 °F to 140 °F, with a temperature accuracy of ±0.36°F @ 77°F.

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, Solid State Band Gap, Screw Terminals, -4°F to 140°F (MPN RHP-3E44). Key specifications — Sensing Element Type: Solid State Band Gap; Temperature Accuracy: ±0.9°F @ 77°F; Output: 4 to 20 mA; Temperature Range: -4 °F to 140 °F.
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DWYER Humidity/Temperature Sensor: 4 to 20 mA, Solid State Band Gap, Screw Terminals, -4°F to 140°F (MPN RHP-3E44). Key specifications — Sensing Element Type: Solid State Band Gap; Temperature Accuracy: ±0.9°F @ 77°F; Output: 4 to 20 mA; Temperature Range: -4 °F to 140 °F.
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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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