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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.

Frequently Asked Questions

What is the Dwyer RHP-2E4A humidity/temperature sensor used for?

The Dwyer RHP-2E4A is an indoor wall-mount transmitter that measures both humidity and temperature. It is commonly used in HVAC, building automation, and environmental monitoring applications to provide a 4 to 20 mA output signal for control systems.

What are the specifications of the Dwyer RHP-2E4A?

The Dwyer RHP-2E4A features a solid state band gap sensing element, a 4 to 20 mA output, and a temperature range of -4 °F to 140 °F. Temperature accuracy is ±0.36°F @ 77°F. It uses screw terminals for wiring and is designed for indoor wall-mount installation.

Where to buy the Dwyer RHP-2E4A worldwide?

3G Electric supplies the Dwyer RHP-2E4A humidity/temperature sensor to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this Dwyer transmitter.

How to install the Dwyer RHP-2E4A humidity/temperature sensor?

Mount the Dwyer RHP-2E4A on an indoor wall at a representative location, away from direct sunlight or drafts. Connect the 4 to 20 mA output to your control system using the screw terminals. Follow Dwyer's installation manual for wiring and commissioning details.

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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