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Dwyer Humidity/Temp Transducer: 4 to 20mA DC, Type III Thermistor (10K @ 25°C) - Duct-Mount Temperature & Humidity Transmitters
DwyerDuct-Mount Temperature & Humidity Transmitters

Dwyer Humidity/Temp Transducer: 4 to 20mA DC, Type III Thermistor (10K @ 25°C)

The Dwyer RHPX-2SDAA-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 2%, and temperature…

SKU 3G-OTH-180776

Brand
Dwyer
Item
Humidity/Temp Transducer: 4 to 20mA DC, Type III Thermistor
Category
Duct-Mount Temperature & Humidity Transmitters
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Technical Specifications

Dwyer
Manufacturer Part Number
RHPX-2SDAA-00
Type
Type III Thermistor (10K @ 25°C), Screw Terminals, RHP
Output
4 to 20mA DC
Power Source
10 to 35V DC
Humidity Accuracy
2%
Temperature Range
-4 °F to 140 °F
Sensing Element Type
Type III Thermistor (10K @ 25°C)
Temperature Accuracy
±0.36°F @ 77°F
View Full Spec Sheet

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

Product Description

The Dwyer RHPX-2SDAA-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 2%, and temperature accuracy of ±0.36°F @ 77°F. The device operates on a 10 to 35V DC power source and covers 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-2SDAA-00 used for?

The Dwyer RHPX-2SDAA-00 is a duct-mount transmitter used for measuring humidity and temperature in HVAC systems. It provides a 4 to 20mA DC output for integration with building automation and control systems, ensuring precise environmental monitoring in commercial and industrial air-handling units.

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

The Dwyer RHPX-2SDAA-00 features a Type III Thermistor (10K @ 25°C) sensing element, humidity accuracy of 2%, and temperature accuracy of ±0.36°F @ 77°F. It operates on 10 to 35V DC power, with a temperature range of -4 °F to 140 °F and a 4 to 20mA DC output.

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

You can source the Dwyer RHPX-2SDAA-00 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we provide reliable sourcing for this Dwyer transmitter.

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

Install the Dwyer RHPX-2SDAA-00 by mounting it in a duct with the sensing element exposed to airflow. Connect power (10 to 35V DC) and signal wires to the screw terminals. Ensure the temperature range (-4 °F to 140 °F) matches your environment. Follow Dwyer's manual for proper wiring 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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DWYER Humidity/Temp Transducer: 0 to 10V DC, 0 to 5V DC Solid State Band Gap, Screw Terminals, RHP (MPN RHPX-3SDA0-00). Key specifications — Brand: DWYER; Humidity Accuracy: 3%; Sensing Element Type: 0 to 5V DC Solid State Band Gap; Temperature Accuracy: ±0.9°F at 77°F; Output: 0 to 10V DC; Power Source: 15 to 35V DC; 15 to 29V AC; Temperature Range: -4 °F to 140 °F.
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DWYER Humidity/Temp Transducer: 0 to 10V DC, Pt100 RTD, Screw Terminals, 1/2 in NPS, 9 in Probe Lg (MPN RHP-2D2D). Key specifications — Brand: DWYER; Humidity Accuracy: 2%; Sensing Element Type: Pt100 RTD; Temperature Accuracy: ±0.54°F @ 32°F; Output: 0 to 10V DC; Power Source: 15 to 35V DC; 15 to 29V AC; Temperature Range: -4 °F to 140 °F.
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