Dwyer Humidity/Temp Transducer: 4 to 20mA DC, Thermistor (20K @ 25°C), Screw Terminals
The Dwyer RHPX-3SDAF-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 and uses a thermistor (20K @ 25°C) sensing element. The device…
SKU 3G-OTH-180772
Also listed as: RHPX3SDAF00 · RHPX 3SDAF 00
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
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Product Description
The Dwyer RHPX-3SDAF-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 and uses a thermistor (20K @ 25°C) sensing element. The device offers a humidity accuracy of 3% and a temperature accuracy of ±0.36°F @ 77°F, 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 4 to 20mA DC signal for integration with building automation or control panels, making it suitable for environmental monitoring in commercial or industrial air-handling units.
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 10 to 35V DC, and covers a temperature range of -4 °F to 140 °F. Output is 4 to 20mA DC with screw terminals and a 1/2 in NPS connection.
Where to buy the Dwyer RHPX-3SDAF-00 worldwide?
3G Electric supplies the Dwyer RHPX-3SDAF-00 to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance for international orders. Contact us for pricing and lead time on this duct-mount humidity and temperature transmitter.
How to install the Dwyer RHPX-3SDAF-00?
Mount the Dwyer RHPX-3SDAF-00 in a duct using the 1/2 in NPS fitting, ensuring the sensing element is exposed to airflow. Wire the 4 to 20mA DC output to your controller via the screw terminals, and connect a 10 to 35V DC power source. Follow Dwyer's manual for proper orientation and calibration.
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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.
