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Dwyer RHP-2D1B Duct-Mount Temperature & Humidity Transmitter - Duct-Mount Temperature & Humidity Transmitters
DwyerDuct-Mount Temperature & Humidity Transmitters

Dwyer RHP-2D1B Duct-Mount Temperature & Humidity Transmitter

<p>The Dwyer RHP-2D1B is a duct-mount temperature and humidity transmitter designed for HVAC and building automation applications. It provides a 4-20 mA DC output, making it compatible with most control systems. Key…

SKU 3G-OTH-180782

Also listed as: RHP2D1B · RHP 2D1B

Brand
Dwyer
Item
RHP-2D1B Duct-Mount Temperature & Humidity Transmitter
Part Number
RHP-2D1B
Category
Duct-Mount Temperature & Humidity Transmitters
Available to Order
Also known as:RHP-2D1BDwyer
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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-2D1B
Type
Type II Thermistor (10K @ 25°C), Screw Terminals, RHP
Output
4 to 20mA DC
Power Source
10 to 35V DC
Humidity Accuracy
2%
Temperature Range
-4 °F to 140 °F
Sensing Element Type
Type II Thermistor (10K @ 25°C)
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-2D1B is a duct-mount temperature and humidity transmitter designed for HVAC and building automation applications. It provides a 4-20 mA DC output, making it compatible with most control systems. Key specifications include a Type II thermistor (10K @ 25°C) for temperature sensing, an accuracy of ±0.36°F at 77°F, and a humidity accuracy of 2%. The operating temperature range is -4°F to 140°F, and it requires a 10-35V DC power supply.</p><p>This transmitter is ideal for monitoring and controlling environmental conditions in commercial and industrial facilities. 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-2D1B?

The Dwyer RHP-2D1B provides a 4-20 mA DC output, which is a standard analog signal for industrial transmitters.

What is the temperature and humidity accuracy of the RHP-2D1B?

The temperature accuracy is ±0.36°F at 77°F, and the humidity accuracy is 2%.

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 duct-mount temperature & humidity transmitters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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