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Dwyer RHPX-3SDAA-00 Duct-Mount Temperature & Humidity Transmitter, 4-20mA Output - Duct-Mount Temperature & Humidity Transmitters
DwyerDuct-Mount Temperature & Humidity Transmitters

Dwyer RHPX-3SDAA-00 Duct-Mount Temperature & Humidity Transmitter, 4-20mA Output

The Dwyer RHPX-3SDAA-00 is a duct-mount temperature and humidity transmitter with a 4 to 20mA DC output. It features a Type III Thermistor (10K @ 25°C) sensing element, humidity accuracy of 3%, and temperature…

SKU 3G-OTH-180779

Also listed as: RHPX3SDAA00 · RHPX 3SDAA 00

Brand
Dwyer
Item
RHPX-3SDAA-00 Duct-Mount Temperature & Humidity Transmitter, 4-20mA Output
Category
Duct-Mount Temperature & Humidity Transmitters
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Dwyer
Manufacturer Part Number
RHPX-3SDAA-00
Type
Type III Thermistor (10K @ 25°C), Screw Terminals, RHP
Output
4 to 20mA DC
Power Source
10 to 35V DC
Humidity Accuracy
3%
Temperature Range
-4 °F to 140 °F
Sensing Element Type
Type III 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

The Dwyer RHPX-3SDAA-00 is a duct-mount temperature and humidity transmitter with a 4 to 20mA DC output. It features a Type III Thermistor (10K @ 25°C) sensing element, humidity accuracy of 3%, and temperature accuracy of ±0.36°F @ 77°F. The device operates on a 10 to 35V DC power source within a temperature range of -4 °F to 140 °F.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Dwyer RHPX-3SDAA-00 used for?

The Dwyer RHPX-3SDAA-00 is a duct-mount transmitter used to measure and transmit both humidity and temperature in HVAC systems. It outputs a 4 to 20mA DC signal for integration with building automation or control systems, making it suitable for environmental monitoring in commercial and industrial air-handling units.

What are the specifications of the Dwyer RHPX-3SDAA-00?

The Dwyer RHPX-3SDAA-00 has a humidity accuracy of 3% and temperature accuracy of ±0.36°F @ 77°F. It uses a Type III Thermistor (10K @ 25°C) sensing element, operates on 10 to 35V DC power, and covers a temperature range of -4 °F to 140 °F. Output is 4 to 20mA DC.

Where to buy the Dwyer RHPX-3SDAA-00 worldwide?

3G Electric supplies the Dwyer RHPX-3SDAA-00 worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this transmitter to any country.

How to install the Dwyer RHPX-3SDAA-00?

Mount the Dwyer RHPX-3SDAA-00 in a duct using the provided flange, ensuring the sensing element is exposed to airflow. Connect 10 to 35V DC power and 4 to 20mA output via screw terminals. Follow Dwyer's manual for wiring polarity and avoid condensation on the sensor for accurate readings.

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 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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This duct-mount transmitter measures temperature and humidity in HVAC ducts, outputting a 0 to 10V DC signal for building management systems. It uses a Type II Thermistor (10K @ 25°C) sensing element with temperature accuracy of ±0.36°F @ 77°F and humidity accuracy of 2%. The device operates on 15 to 35V DC power and covers a temperature range of -4 °F to 140 °F
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