Dwyer Humidity/Temperature Sensor: 4 to 20 mA, 10K Ohm Type II Thermistor, Screw Terminals
The Dwyer RHP-2N4B is an indoor wall-mount transmitter that measures humidity and temperature, with a 4 to 20 mA output. It features a 10K Ohm Type II Thermistor sensing element, a temperature range of -4 °F to 140…
SKU 3G-OTH-179235
Also listed as: RHP2N4B · RHP 2N4B
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.
Need installation or engineering help?
Ask a question
Product Description
The Dwyer RHP-2N4B is an indoor wall-mount transmitter that measures humidity and temperature, with a 4 to 20 mA output. It features a 10K Ohm Type II Thermistor sensing element, a temperature range of -4 °F to 140 °F, and a temperature accuracy of ±0.36°F @ 77°F.
Frequently Asked Questions
What is the Dwyer RHP-2N4B humidity/temperature sensor used for?
The Dwyer RHP-2N4B is an indoor wall-mount transmitter that measures both humidity and temperature. It is commonly used in HVAC, building automation, and environmental monitoring applications to provide a 4 to 20 mA output signal for control systems.
What are the specifications of the Dwyer RHP-2N4B?
The Dwyer RHP-2N4B features a 10K Ohm Type II Thermistor sensing element, a temperature range of -4 °F to 140 °F, and a temperature accuracy of ±0.36°F @ 77°F. It has a 4 to 20 mA output and screw terminals for wiring.
Where to buy the Dwyer RHP-2N4B worldwide?
You can source the Dwyer RHP-2N4B through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the sensor reaches your facility reliably.
How to install the Dwyer RHP-2N4B humidity/temperature sensor?
Mount the Dwyer RHP-2N4B on an indoor wall at a representative location, away from direct heat or drafts. Connect the 4 to 20 mA output and 10K Ohm Type II Thermistor to your control system using the screw terminals. Follow Dwyer's manual for wiring details.
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.
