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Dwyer RHPX-3SDAF-00 Duct-Mount Temperature & Humidity Transmitter - Duct-Mount Temperature & Humidity Transmitters
DwyerDuct-Mount Temperature & Humidity Transmitters

Dwyer RHPX-3SDAF-00 Duct-Mount Temperature & Humidity Transmitter

<p>The Dwyer RHPX-3SDAF-00 is a duct-mount temperature and humidity transmitter designed for accurate environmental monitoring in HVAC and industrial applications. It features a thermistor sensing element (20K @…

SKU 3G-OTH-180773

Also listed as: RHPX3SDAF00 · RHPX 3SDAF 00

Brand
Dwyer
Item
RHPX-3SDAF-00 Duct-Mount Temperature & Humidity Transmitter
Part Number
RHPX-3SDAF-00
Category
Duct-Mount Temperature & Humidity Transmitters
Available to Order
Also known as:RHPX-3SDAF-00Dwyer
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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
RHPX-3SDAF-00
Type
Thermistor (20K @ 25°C), Screw Terminals
NPS
1/2 in
Output
0 to 10V DC
Power Source
15 to 35V DC
Humidity Accuracy
3%
Temperature Range
-4 °F to 140 °F
Sensing Element Type
Thermistor (20K @ 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 RHPX-3SDAF-00 is a duct-mount temperature and humidity transmitter designed for accurate environmental monitoring in HVAC and industrial applications. It features a thermistor sensing element (20K @ 25°C) and provides a 0 to 10V DC output, compatible with most building automation systems. Key specifications include a temperature range of -4°F to 140°F, temperature accuracy of ±0.36°F @ 77°F, and humidity accuracy of 3%. The device operates on 15 to 35V DC power and includes screw terminals for easy wiring.</p><p>This transmitter is ideal for facility managers, HVAC contractors, and process engineers who require reliable duct-mounted sensing. 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 RHPX-3SDAF-00?

The output is 0 to 10V DC, which is compatible with most controllers and building management systems.

What is the temperature accuracy of this transmitter?

The temperature accuracy is ±0.36°F at 77°F, and the humidity accuracy is 3%.

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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Duct-mount transmitter for temperature and humidity measurement in HVAC systems. Outputs 4 to 20mA DC signal proportional to sensed conditions. Features 2% humidity accuracy, -4°F to 140°F temperature range, 9-inch probe, screw terminals, and 1/2 inch NPS connection. Operates on 10 to 35V DC power
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Duct-mount transmitter for temperature and humidity measurement in HVAC systems. Outputs 4 to 20mA DC signal proportional to sensed conditions. Features 2% humidity accuracy, -4°F to 140°F temperature range, 9-inch probe, screw terminals, and 1/2 inch NPS connection. Operates on 10 to 35V DC power
The Dwyer RHPX-3SDA0-00 is a duct-mount transmitter that measures both temperature and humidity in HVAC air-handling systems. It outputs a 4 to 20mA DC signal for integration with building automation controls. The device uses a thermistor sensing element (20K @ 25°C) and operates on a 10 to 35V DC power source. Humidity accuracy is 2%, temperature accuracy is ±0.36°F @ 77°F, and the temperature range is -4 °F to 140 °F. Connection is via screw terminals with a 1/2 in NPS fitting
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The Dwyer RHPX-3SDA0-00 is a duct-mount transmitter that measures both temperature and humidity in HVAC air-handling systems. It outputs a 4 to 20mA DC signal for integration with building automation controls. The device uses a thermistor sensing element (20K @ 25°C) and operates on a 10 to 35V DC power source. Humidity accuracy is 2%, temperature accuracy is ±0.36°F @ 77°F, and the temperature range is -4 °F to 140 °F. Connection is via screw terminals with a 1/2 in NPS fitting

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