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Dwyer Humidity Transmitters: 4 to 20mA, Type III Thermistor (10K @ 25°C), Screw Terminals - Outdoor Surface-Mount Temperature & Humidity Transmitters
DwyerOutdoor Surface-Mount Temperature & Humidity Transmitters

Dwyer Humidity Transmitters: 4 to 20mA, Type III Thermistor (10K @ 25°C), Screw Terminals

The Dwyer RHPX-3SSAA-00 is an outdoor surface-mount temperature and humidity transmitter with a 4 to 20mA output. It features a Type III Thermistor (10K @ 25°C) sensing element, operates on 10 to 35V DC power, and…

SKU 3G-OTH-179173

Brand
Dwyer
Item
Humidity Transmitters: 4 to 20mA, Type III Thermistor
Category
Outdoor Surface-Mount Temperature & Humidity Transmitters
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Technical Specifications

Dwyer
Manufacturer Part Number
RHPX-3SSAA-00
Type
Type III Thermistor (10K @ 25°C), Screw Terminals, RHP
Output
4 to 20mA
Power Source
10 to 35V DC
Humidity Accuracy
±3% 20 to 80% RH at 25°C
Temperature Range
-4 °F to 140 °F
Sensing Element Type
Type III Thermistor (10K @ 25°C)
Temperature Accuracy
±0.36°F @ 77°F
View Full Spec Sheet

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

Product Description

The Dwyer RHPX-3SSAA-00 is an outdoor surface-mount temperature and humidity transmitter with a 4 to 20mA output. It features a Type III Thermistor (10K @ 25°C) sensing element, operates on 10 to 35V DC 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 ±0.36°F @ 77°F.

Frequently Asked Questions

What is the Dwyer RHPX-3SSAA-00 humidity transmitter used for?

The Dwyer RHPX-3SSAA-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 4 to 20mA output is needed for remote sensing in outdoor or exposed locations.

What are the specifications of the Dwyer RHPX-3SSAA-00?

The Dwyer RHPX-3SSAA-00 has a Type III Thermistor (10K @ 25°C) sensing element, 4 to 20mA output, and operates on 10 to 35V DC. Humidity accuracy is ±3% from 20 to 80% RH at 25°C. Temperature range is -4 °F to 140 °F with accuracy of ±0.36°F @ 77°F.

Where to buy the Dwyer RHPX-3SSAA-00 worldwide?

3G Electric supplies the Dwyer RHPX-3SSAA-00 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this Dwyer transmitter.

How to install the Dwyer RHPX-3SSAA-00 outdoor transmitter?

Mount the Dwyer RHPX-3SSAA-00 on a flat outdoor surface using the provided screw terminals. Connect 10 to 35V DC power and wire the 4 to 20mA output to your controller. Ensure the sensing element is unobstructed and protected from direct sun or rain 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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