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Dwyer Humidity/Temp Transducer: 4 to 20mA DC, Pt100 RTD, Screw Terminals, 1/2 in NPS - Duct-Mount Temperature & Humidity Transmitters
DwyerDuct-Mount Temperature & Humidity Transmitters

Dwyer Humidity/Temp Transducer: 4 to 20mA DC, Pt100 RTD, Screw Terminals, 1/2 in NPS

The Dwyer RHPX-2SDAD-00 is a duct-mount temperature and humidity transmitter with a 4 to 20mA DC output and a Pt100 RTD sensing element. It operates on a 10 to 35V DC power source, measures humidity with 2% accuracy…

SKU 3G-OTH-180767

Brand
Dwyer
Item
Humidity/Temp Transducer: 4 to 20mA DC, Pt100 RTD, Screw Terminals, 1/2 in NPS
Category
Duct-Mount Temperature & Humidity Transmitters
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Technical Specifications

Dwyer
Manufacturer Part Number
RHPX-2SDAD-00
Type
Pt100 RTD, Screw Terminals
NPS
1/2 in
Output
4 to 20mA DC
Probe Lg
9 in
Power Source
10 to 35V DC
Humidity Accuracy
2%
Temperature Range
-4 °F to 140 °F
Sensing Element Type
Pt100 RTD
Temperature Accuracy
±0.54°F @ 32°F
View Full Spec Sheet

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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dwyer RHPX-2SDAD-00 is a duct-mount temperature and humidity transmitter with a 4 to 20mA DC output and a Pt100 RTD sensing element. It operates on a 10 to 35V DC power source, measures humidity with 2% accuracy, and covers a temperature range of -4 °F to 140 °F with ±0.54°F accuracy at 32°F. The unit features screw terminals, a 1/2 in NPS connection, and a 9-inch probe length.

Frequently Asked Questions

What is the Dwyer RHPX-2SDAD-00 used for?

The Dwyer RHPX-2SDAD-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.

What are the specifications of the Dwyer RHPX-2SDAD-00?

The Dwyer RHPX-2SDAD-00 has a Pt100 RTD sensing element, 2% humidity accuracy, and ±0.54°F temperature accuracy at 32°F. It operates on 10 to 35V DC, covers -4 °F to 140 °F, and features screw terminals with a 1/2 in NPS connection and 9-inch probe.

Where to buy the Dwyer RHPX-2SDAD-00 worldwide?

You can source the Dwyer RHPX-2SDAD-00 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your HVAC projects.

How to install the Dwyer RHPX-2SDAD-00?

Mount the Dwyer RHPX-2SDAD-00 in a duct using the 1/2 in NPS connection, ensuring the 9-inch probe is fully inserted. Wire the screw terminals to a 10 to 35V DC power source and 4 to 20mA DC input. Follow Dwyer's manual for proper orientation and avoid condensation on the sensor.

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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