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Dwyer Humidity Transmitters: 0 to 10V DC, Pt1000 RTD, Screw Terminals, 1/2 in NPS - Outdoor Surface-Mount Temperature & Humidity Transmitters
DwyerOutdoor Surface-Mount Temperature & Humidity Transmitters

Dwyer Humidity Transmitters: 0 to 10V DC, Pt1000 RTD, Screw Terminals, 1/2 in NPS

The DWYER RHP-3O2E is an outdoor surface-mount temperature and humidity transmitter with a 0 to 10V DC output. It features a Pt1000 RTD sensing element, humidity accuracy of ±3% 20 to 80% RH at 25°C, and temperature…

SKU 3G-OTH-179167

Brand
Dwyer
Item
Humidity Transmitters: 0 to 10V DC, Pt1000 RTD, Screw Terminals, 1/2 in NPS
Category
Outdoor Surface-Mount Temperature & Humidity Transmitters
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Technical Specifications

Dwyer
Manufacturer Part Number
RHP-3O2E
Type
Pt1000 RTD, Screw Terminals
NPS
1/2 in
Output
0 to 10V DC
Probe Lg
3 in
Power Source
15 to 29V AC
Humidity Accuracy
±3% 20 to 80% RH at 25°C
Temperature Range
-4 °F to 140 °F
Sensing Element Type
Pt1000 RTD
Temperature Accuracy
±0.54°F @ 32°F
View Full Spec Sheet

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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DWYER RHP-3O2E is an outdoor surface-mount temperature and humidity transmitter with a 0 to 10V DC output. It features a Pt1000 RTD sensing element, humidity accuracy of ±3% 20 to 80% RH at 25°C, and temperature accuracy of ±0.54°F @ 32°F. The device operates on a 15 to 29V AC power source within a temperature range of -4 °F to 140 °F.

Frequently Asked Questions

What is the Dwyer RHP-3O2E humidity transmitter used for?

The Dwyer RHP-3O2E is an outdoor surface-mount transmitter that measures both temperature and humidity. It is used in HVAC, building automation, and environmental monitoring applications where reliable outdoor air conditions must be tracked. Its 0 to 10V DC output integrates with building management systems.

What are the specifications of the Dwyer RHP-3O2E?

The Dwyer RHP-3O2E has a Pt1000 RTD sensing element, humidity accuracy of ±3% 20 to 80% RH at 25°C, and temperature accuracy of ±0.54°F @ 32°F. It outputs 0 to 10V DC, operates on 15 to 29V AC, and covers a temperature range of -4 °F to 140 °F. Probe length is 3 in with 1/2 in NPS threads.

Where to buy the Dwyer RHP-3O2E worldwide?

3G Electric supplies the Dwyer RHP-3O2E humidity transmitter to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this outdoor surface-mount transmitter.

How to install the Dwyer RHP-3O2E outdoor transmitter?

Mount the Dwyer RHP-3O2E on a flat outdoor surface using the 1/2 in NPS fitting. Connect the 0 to 10V DC output to your controller and supply 15 to 29V AC power. Ensure the probe is exposed to ambient air and protected from direct rain or sun for accurate readings.

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 outdoor surface-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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