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3G Electric
Dwyer RHPX-2SSAF-00 Outdoor Surface-Mount Temperature & Humidity Transmitter - Outdoor Surface-Mount Temperature & Humidity Transmitters
DwyerOutdoor Surface-Mount Temperature & Humidity Transmitters

Dwyer RHPX-2SSAF-00 Outdoor Surface-Mount Temperature & Humidity Transmitter

<p>The Dwyer RHPX-2SSAF-00 is an outdoor surface-mount temperature and humidity transmitter designed for reliable environmental monitoring in demanding applications. It features a thermistor sensing element (20K @…

SKU 3G-OTH-179169

Also listed as: RHPX2SSAF00 · RHPX 2SSAF 00

Brand
Dwyer
Item
RHPX-2SSAF-00 Outdoor Surface-Mount Temperature & Humidity Transmitter
Part Number
RHPX-2SSAF-00
Category
Outdoor Surface-Mount Temperature & Humidity Transmitters
Available to Order
Also known as:RHPX-2SSAF-00Dwyer
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Dwyer
Manufacturer Part Number
RHPX-2SSAF-00
Type
Thermistor (20K @ 25°C), Screw Terminals, RHP
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
Thermistor (20K @ 25°C)
Temperature Accuracy
±0.36°F @ 77°F

Technical Documents

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

Product Description

<p>The Dwyer RHPX-2SSAF-00 is an outdoor surface-mount temperature and humidity transmitter designed for reliable environmental monitoring in demanding applications. It features a thermistor sensing element (20K @ 25°C) for temperature and a capacitive sensor for humidity, providing a 4-20 mA output signal. Key specifications include a temperature range of -4°F to 140°F, temperature accuracy of ±0.36°F @ 77°F, and humidity accuracy of ±2% from 10 to 90% RH at 25°C. The unit operates on 10-35V DC power and uses screw terminals for easy wiring.</p><p>This transmitter is ideal for HVAC, cleanroom, and industrial process monitoring where outdoor durability and precise measurement are critical. As a Singapore-based supplier, 3G Electric offers SGD quotes on request, handles GST for local buyers, and provides fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What is the output signal and power requirement of the Dwyer RHPX-2SSAF-00?

The transmitter provides a 4-20 mA output and requires a 10-35V DC power source.

What are the accuracy specifications for temperature and humidity?

Temperature accuracy is ±0.36°F @ 77°F, and humidity accuracy is ±2% from 10 to 90% RH at 25°C.

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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