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Dwyer RHPX-3SDA0-00 Duct-Mount Temperature & Humidity Transmitter - Duct-Mount Temperature & Humidity Transmitters
DwyerDuct-Mount Temperature & Humidity Transmitters

Dwyer RHPX-3SDA0-00 Duct-Mount Temperature & Humidity Transmitter

The Dwyer RHPX-3SDA0-00 is a duct-mount temperature and humidity transmitter with a 4 to 20mA DC output. It features a thermistor sensing element (20K @ 25°C) and operates on a 10 to 35V DC power source. The device…

SKU 3G-OTH-180788

Also listed as: RHPX3SDA000 · RHPX 3SDA0 00

Brand
Dwyer
Item
RHPX-3SDA0-00 Duct-Mount Temperature & Humidity Transmitter
Category
Duct-Mount Temperature & Humidity Transmitters
Available to Order
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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-3SDA0-00
Type
Thermistor (20K @ 25°C), Screw Terminals
NPS
1/2 in
Output
4 to 20mA DC
Power Source
10 to 35V DC
Humidity Accuracy
2%
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

The Dwyer RHPX-3SDA0-00 is a duct-mount temperature and humidity transmitter with a 4 to 20mA DC output. It features a thermistor sensing element (20K @ 25°C) and operates on a 10 to 35V DC power source. The device offers a humidity accuracy of 2% and a temperature accuracy of ±0.36°F @ 77°F, with 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-3SDA0-00 used for?

The Dwyer RHPX-3SDA0-00 is a duct-mount transmitter that measures both humidity and temperature in HVAC air-handling systems. It outputs a 4 to 20mA DC signal for integration with building automation controls, ensuring precise environmental monitoring in commercial or industrial ventilation ducts.

What are the specifications of the Dwyer RHPX-3SDA0-00?

The Dwyer RHPX-3SDA0-00 has a humidity accuracy of 2% and temperature accuracy of ±0.36°F @ 77°F. It uses a thermistor sensing element (20K @ 25°C), operates on 10 to 35V DC, and covers a temperature range of -4 °F to 140 °F. Output is 4 to 20mA DC via screw terminals with a 1/2 in NPS connection.

Where to buy the Dwyer RHPX-3SDA0-00 worldwide?

3G Electric supplies the Dwyer RHPX-3SDA0-00 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this duct-mount humidity/temperature transmitter.

How to install the Dwyer RHPX-3SDA0-00?

Mount the Dwyer RHPX-3SDA0-00 in a duct using the 1/2 in NPS fitting, ensuring the sensing element is exposed to airflow. Wire the 4 to 20mA DC output to your controller via the screw terminals, and connect a 10 to 35V DC power source. Follow Dwyer's manual for proper orientation and calibration.

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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