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

The Dwyer RHPX-2SSAB-00 is an outdoor surface-mount temperature and humidity transmitter with a 4 to 20mA output. It features a Type II Thermistor (10K @ 25°C) sensing element, humidity accuracy of ±2% 10 to 90% RH…

SKU 3G-OTH-179171

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

Dwyer
Manufacturer Part Number
RHPX-2SSAB-00
Type
Type II Thermistor (10K @ 25°C), 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
Type II 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-2SSAB-00 is an outdoor surface-mount temperature and humidity transmitter with a 4 to 20mA output. It features a Type II Thermistor (10K @ 25°C) sensing element, humidity accuracy of ±2% 10 to 90% RH at 25°C, and temperature accuracy of ±0.36°F @ 77°F. The device operates on 10 to 35V DC power and covers a temperature range of -4 °F to 140 °F.

Frequently Asked Questions

What is the Dwyer RHPX-2SSAB-00 humidity transmitter used for?

The Dwyer RHPX-2SSAB-00 is an outdoor surface-mount transmitter that measures both temperature and humidity. It is commonly used in HVAC, environmental monitoring, and process control applications where reliable 4 to 20mA output is required for remote sensing and building automation systems.

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

The Dwyer RHPX-2SSAB-00 features a Type II Thermistor (10K @ 25°C) sensing element, humidity accuracy of ±2% 10 to 90% RH at 25°C, and temperature accuracy of ±0.36°F @ 77°F. It operates on 10 to 35V DC power, covers -4 °F to 140 °F, and has a 1/2 in NPS connection with screw terminals.

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

3G Electric supplies the Dwyer RHPX-2SSAB-00 humidity transmitter to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this Dwyer model.

How to install the Dwyer RHPX-2SSAB-00 outdoor transmitter?

Mount the Dwyer RHPX-2SSAB-00 on a flat outdoor surface using the provided bracket. Connect 10 to 35V DC power and wire the 4 to 20mA output to your controller via the screw terminals. Ensure the sensing element is not obstructed and avoid direct sunlight or heat sources 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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