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Dwyer Humidity/Temp Transducer: 0 to 10V DC, Thermistor (20K @ 25°C), Screw Terminals - Duct-Mount Temperature & Humidity Transmitters
DwyerDuct-Mount Temperature & Humidity Transmitters

Dwyer Humidity/Temp Transducer: 0 to 10V DC, Thermistor (20K @ 25°C), Screw Terminals

The Dwyer RHPX-3SDAF-00 is a duct-mount temperature and humidity transmitter with a 0 to 10V DC output. It features a thermistor (20K @ 25°C) sensing element, humidity accuracy of 3%, and temperature accuracy of…

SKU 3G-OTH-180773

Brand
Dwyer
Item
Humidity/Temp Transducer: 0 to 10V DC, Thermistor
Category
Duct-Mount Temperature & Humidity Transmitters
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Technical Specifications

Dwyer
Manufacturer Part Number
RHPX-3SDAF-00
Type
Thermistor (20K @ 25°C), Screw Terminals
NPS
1/2 in
Output
0 to 10V DC
Power Source
15 to 35V DC
Humidity Accuracy
3%
Temperature Range
-4 °F to 140 °F
Sensing Element Type
Thermistor (20K @ 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-3SDAF-00 is a duct-mount temperature and humidity transmitter with a 0 to 10V DC output. It features a thermistor (20K @ 25°C) sensing element, humidity accuracy of 3%, and temperature accuracy of ±0.36°F @ 77°F. The device operates on a power source of 15 to 35V DC or 15 to 29V AC, with a temperature range of -4 °F to 140 °F.

Frequently Asked Questions

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

The Dwyer RHPX-3SDAF-00 is a duct-mount transmitter that measures both humidity and temperature in HVAC systems. It outputs a 0 to 10V DC signal for building automation, clean rooms, and environmental monitoring. 3G Electric supplies this Dwyer transducer for industrial and commercial applications worldwide.

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

The Dwyer RHPX-3SDAF-00 has a humidity accuracy of 3% and temperature accuracy of ±0.36°F @ 77°F. It uses a thermistor (20K @ 25°C) sensing element, operates on 15 to 35V DC or 15 to 29V AC, and covers a temperature range of -4 °F to 140 °F. Output is 0 to 10V DC.

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

3G Electric supplies the Dwyer RHPX-3SDAF-00 worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this duct-mount humidity and temperature transmitter to your facility. Contact us for availability and lead time.

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

Mount the Dwyer RHPX-3SDAF-00 in a duct using the 1/2 in NPS fitting. Connect power (15 to 35V DC or 15 to 29V AC) and the 0 to 10V DC output via screw terminals. Ensure the sensing element is exposed to airflow. Follow Dwyer's manual for wiring and calibration best practices.

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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