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

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

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

Also listed as: RHPX3SDAF00 · RHPX 3SDAF 00

Brand
Dwyer
Item
RHPX-3SDAF-00 Duct-Mount Temperature & Humidity Transmitter
Part Number
RHPX-3SDAF-00
Category
Duct-Mount Temperature & Humidity Transmitters
Available to Order
Also known as:RHPX-3SDAF-00Dwyer
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

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

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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
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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

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