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Dwyer RHP-3N4B Indoor Wall-Mount Transmitter - Indoor Wall-Mount Transmitters
DwyerIndoor Wall-Mount Transmitters

Dwyer RHP-3N4B Indoor Wall-Mount Transmitter

<p>The Dwyer RHP-3N4B is an indoor wall-mount transmitter designed for reliable temperature sensing in commercial and industrial environments. It features a 4 to 20 mA output and a 10K Ohm Type II thermistor sensing…

SKU 3G-OTH-179236

Also listed as: RHP3N4B · RHP 3N4B

Brand
Dwyer
Item
RHP-3N4B Indoor Wall-Mount Transmitter
Part Number
RHP-3N4B
Category
Indoor Wall-Mount Transmitters
Available to Order
Also known as:RHP-3N4BDwyer
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

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

Technical Documents

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

Product Description

<p>The Dwyer RHP-3N4B is an indoor wall-mount transmitter designed for reliable temperature sensing in commercial and industrial environments. It features a 4 to 20 mA output and a 10K Ohm Type II thermistor sensing element, providing accurate temperature readings from -4 °F to 140 °F with an accuracy of ±0.36°F at 77°F. The screw terminals ensure secure and easy wiring connections.</p><p>This transmitter is ideal for HVAC, building automation, and process control applications where precise temperature monitoring is required. As a Singapore-based supplier, 3G Electric offers SGD quotes on request, handles GST for local buyers, and provides fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What is the output signal of the Dwyer RHP-3N4B?

The Dwyer RHP-3N4B provides a 4 to 20 mA output signal.

What is the temperature measurement range and accuracy?

The temperature range is -4 °F to 140 °F, with an accuracy of ±0.36°F at 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
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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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