Dwyer Humidity Sensor: 4 to 20 mA, Screw Terminals, -4°F to 140°F
The Dwyer RHP-2N40 is an indoor wall-mount humidity transmitter with a 4 to 20 mA output. It operates over a temperature range of -4 °F to 140 °F and a relative humidity range of 0% to 100%. This sensor uses screw…
SKU 3G-OTH-179231
Also listed as: RHP2N40 · RHP 2N40
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
Need installation or engineering help?
Ask a question
Product Description
The Dwyer RHP-2N40 is an indoor wall-mount humidity transmitter with a 4 to 20 mA output. It operates over a temperature range of -4 °F to 140 °F and a relative humidity range of 0% to 100%. This sensor uses screw terminals for electrical connections.
Frequently Asked Questions
What is the Dwyer RHP-2N40 humidity sensor used for?
The Dwyer RHP-2N40 is an indoor wall-mount humidity transmitter used for monitoring and controlling relative humidity in HVAC, cleanroom, and building automation systems. It provides a 4 to 20 mA output signal for integration with controllers and PLCs.
What are the specifications of the Dwyer RHP-2N40?
The Dwyer RHP-2N40 has a 4 to 20 mA output, operates over a temperature range of -4 °F to 140 °F, and measures 0% to 100% relative humidity. It features screw terminals for wiring and is designed for indoor wall-mount installation.
Where to buy the Dwyer RHP-2N40 worldwide?
3G Electric supplies the Dwyer RHP-2N40 humidity sensor worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to install the Dwyer RHP-2N40 humidity sensor?
Mount the Dwyer RHP-2N40 on an indoor wall at a representative location, away from direct heat or drafts. Connect the 4 to 20 mA output to your controller using the screw terminals. Follow Dwyer's manual for wiring and commissioning best practices.
Used in
Common applications for DwyerDwyer Products
3G Electric supplies Dwyer indoor wall-mount transmitters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
