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Dwyer Humidity Transmitters: 4 to 20mA, 40 to 20mA Solid State Band Gap, Screw Terminals - Outdoor Surface-Mount Temperature & Humidity Transmitters
DwyerOutdoor Surface-Mount Temperature & Humidity Transmitters

Dwyer Humidity Transmitters: 4 to 20mA, 40 to 20mA Solid State Band Gap, Screw Terminals

The Dwyer RHPX-2SSA0-00 is an outdoor surface-mount temperature and humidity transmitter with a 4 to 20mA output. It features a 40 to 20mA solid state band gap sensing element, powered by 10 to 35V DC, with a…

SKU 3G-OTH-179164

Brand
Dwyer
Item
Humidity Transmitters: 4 to 20mA, 40 to 20mA Solid State Band Gap, Screw Terminals
Category
Outdoor Surface-Mount Temperature & Humidity Transmitters
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Technical Specifications

Dwyer
Manufacturer Part Number
RHPX-2SSA0-00
Type
Screw Terminals
NPS
1/2 in
Output
4 to 20mA
Power Source
10 to 35V DC
Humidity Accuracy
±2% 10 to 90% RH at 25°C
Temperature Range
-4 °F to 140 °F
Sensing Element Type
40 to 20mA Solid State Band Gap
Solid State Band Gap
40 to 20mA
Temperature Accuracy
±0.9°F @ 77°F
View Full Spec Sheet

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

Product Description

The Dwyer RHPX-2SSA0-00 is an outdoor surface-mount temperature and humidity transmitter with a 4 to 20mA output. It features a 40 to 20mA solid state band gap sensing element, powered by 10 to 35V DC, with a temperature range of -4 °F to 140 °F. Humidity accuracy is ±2% 10 to 90% RH at 25°C, and temperature accuracy is ±0.9°F @ 77°F.

Frequently Asked Questions

What is the Dwyer RHPX-2SSA0-00 used for?

The Dwyer RHPX-2SSA0-00 is an outdoor surface-mount transmitter that measures both temperature and humidity. It is used in HVAC, environmental monitoring, and process control applications where reliable, continuous outdoor air conditions must be reported to a building management system.

What are the specifications of the Dwyer RHPX-2SSA0-00?

The Dwyer RHPX-2SSA0-00 outputs 4 to 20mA, powered by 10 to 35V DC. Humidity accuracy is ±2% from 10 to 90% RH at 25°C. Temperature accuracy is ±0.9°F at 77°F, with a range of -4°F to 140°F. It uses a 40 to 20mA solid state band gap sensing element and screw terminals with a 1/2 in NPS connection.

Where to buy the Dwyer RHPX-2SSA0-00 worldwide?

3G Electric supplies the Dwyer RHPX-2SSA0-00 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this outdoor temperature and humidity transmitter.

How to install the Dwyer RHPX-2SSA0-00?

Mount the Dwyer RHPX-2SSA0-00 on an outdoor surface using the 1/2 in NPS fitting. Connect 10 to 35V DC power and wire the 4 to 20mA output to your controller via the screw terminals. Avoid direct sun exposure and ensure the sensing element is unobstructed 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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