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Dwyer RHP-3O22 Outdoor Surface-Mount Temperature & Humidity Transmitter - Outdoor Surface-Mount Temperature & Humidity Transmitters
DwyerOutdoor Surface-Mount Temperature & Humidity Transmitters

Dwyer RHP-3O22 Outdoor Surface-Mount Temperature & Humidity Transmitter

The Dwyer RHP-3O22 is an outdoor surface-mount temperature and humidity transmitter with a 0 to 10V DC output. It features a solid-state band gap sensing element, operates on 15 to 29V AC power, and covers a…

SKU 3G-OTH-179163

Also listed as: RHP3O22 · RHP 3O22

Brand
Dwyer
Item
RHP-3O22 Outdoor Surface-Mount Temperature & Humidity Transmitter
Part Number
RHP-3O22
Category
Outdoor Surface-Mount Temperature & Humidity Transmitters
Available to Order
Also known as:RHP-3O22Dwyer
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Dwyer
Manufacturer Part Number
RHP-3O22
Type
Screw Terminals, RHP
Output
0 to 10V DC
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
0 to 10V DC Solid State Band Gap
Temperature Accuracy
±0.9°F @ 77°F
DC Solid State Band Gap
0 to 10V

Technical Documents

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

Product Description

The Dwyer RHP-3O22 is an outdoor surface-mount temperature and humidity transmitter with a 0 to 10V DC output. It features a solid-state band gap sensing element, operates on 15 to 29V AC power, and covers a temperature range of -4 °F to 140 °F. Humidity accuracy is ±3% from 20 to 80% RH at 25°C, and temperature accuracy is ±0.9°F at 77°F.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Dwyer RHP-3O22 humidity transmitter used for?

The Dwyer RHP-3O22 is an outdoor surface-mount transmitter that measures both temperature and humidity. It is used in HVAC, environmental monitoring, and building automation systems to provide a 0 to 10V DC output signal for remote sensing and control applications.

What are the specifications of the Dwyer RHP-3O22?

The Dwyer RHP-3O22 has a humidity accuracy of ±3% from 20 to 80% RH at 25°C and temperature accuracy of ±0.9°F at 77°F. It operates on 15 to 29V AC power, covers a temperature range of -4 °F to 140 °F, and uses a solid-state band gap sensing element with screw terminals.

Where to buy the Dwyer RHP-3O22 worldwide?

3G Electric supplies the Dwyer RHP-3O22 humidity transmitter to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this outdoor surface-mount transmitter.

How to install the Dwyer RHP-3O22 outdoor transmitter?

Mount the Dwyer RHP-3O22 on a flat outdoor surface using the provided screw terminals. Connect the 0 to 10V DC output to your control system and supply 15 to 29V AC power. Ensure the sensing element is not obstructed and avoid direct sunlight 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
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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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This outdoor surface-mount transmitter measures temperature and humidity, providing a 4 to 20 mA output. It uses an RTD or thermistor sensing element, operates on 10 to 35V DC, and has a humidity accuracy of ±3% from 20 to 80% RH at 25°C. The temperature range is -4°F to 140°F, with screw terminals and a 1/2 in NPS connection. Typical applications include HVAC, environmental monitoring, and building automation
Dwyer
This outdoor surface-mount transmitter measures temperature and humidity, providing a 4 to 20 mA output. It uses an RTD or thermistor sensing element, operates on 10 to 35V DC, and has a humidity accuracy of ±3% from 20 to 80% RH at 25°C. The temperature range is -4°F to 140°F, with screw terminals and a 1/2 in NPS connection. Typical applications include HVAC, environmental monitoring, and building automation

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