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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 operates on a 10 to 35V DC power source, offers 3% humidity accuracy, and covers a temperature range of -4…

SKU 3G-OTH-180783

Also listed as: RHPX3SDA000 · RHPX 3SDA0 00

Brand
Dwyer
Item
RHPX-3SDA0-00 Duct-Mount Temperature & Humidity Transmitter
Part Number
RHPX-3SDA0-00
Category
Duct-Mount Temperature & Humidity Transmitters
Available to Order
Also known as:RHPX-3SDA0-00Dwyer
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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-3SDA0-00
Type
Screw Terminals, RHP, 11.59 in
NPS
1/2 in
Output
4 to 20mA DC
Probe Lg
9 in
Power Source
10 to 35V DC
Humidity Accuracy
3%
Temperature Range
-4 °F to 140 °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 operates on a 10 to 35V DC power source, offers 3% humidity accuracy, and covers a temperature range of -4 °F to 140 °F. The unit features screw terminals, a 1/2 in NPS connection, and a 9 in probe length.

Frequently Asked Questions

What is the DWYER RHPX-3SDA0-00 humidity transmitter used for?

The DWYER RHPX-3SDA0-00 is a duct-mount temperature and humidity transmitter used in HVAC systems to monitor and control air conditions in commercial and industrial buildings. It provides a 4 to 20mA DC output for integration with building management systems, ensuring precise environmental regulation.

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

The DWYER RHPX-3SDA0-00 has a humidity accuracy of 3%, a 4 to 20mA DC output, and operates on a 10 to 35V DC power source. It covers a temperature range of -4 °F to 140 °F, features screw terminals, a 1/2 in NPS connection, and a 9 in probe length.

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

You can source the DWYER RHPX-3SDA0-00 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable procurement for your facility.

How to install the DWYER RHPX-3SDA0-00 humidity transmitter?

Mount the DWYER RHPX-3SDA0-00 in a duct using the 1/2 in NPS connection, ensuring the 9 in probe is fully inserted. Connect the screw terminals to a 10 to 35V DC power source and a 4 to 20mA DC input. Follow standard HVAC wiring practices and avoid exposing the unit to condensation.

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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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
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
Duct-mount transmitter for measuring temperature and humidity in HVAC systems. Features a thermistor (20K @ 25°C) sensing element, 0-10V DC output, screw terminals, and 1/2 in NPS connection. Temperature range -4°F to 140°F with accuracy ±0.36°F @ 77°F; humidity accuracy 3%. Power supply 15-35V DC
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Duct-mount transmitter for measuring temperature and humidity in HVAC systems. Features a thermistor (20K @ 25°C) sensing element, 0-10V DC output, screw terminals, and 1/2 in NPS connection. Temperature range -4°F to 140°F with accuracy ±0.36°F @ 77°F; humidity accuracy 3%. Power supply 15-35V DC

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