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Dwyer RHPX-3SSAF-00 Outdoor Surface-Mount Temperature & Humidity - Outdoor Surface-Mount Temperature & Humidity Transmitters
DwyerOutdoor Surface-Mount Temperature & Humidity Transmitters

Dwyer RHPX-3SSAF-00 Outdoor Surface-Mount Temperature & Humidity

<p>The Dwyer RHPX-3SSAF-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-179170

Also listed as: RHPX3SSAF00 · RHPX 3SSAF 00

Brand
Dwyer
Item
RHPX-3SSAF-00 Outdoor Surface-Mount Temperature & Humidity
Part Number
RHPX-3SSAF-00
Category
Outdoor Surface-Mount Temperature & Humidity Transmitters
Available to Order
Also known as:RHPX-3SSAF-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-3SSAF-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
±3% 20 to 80% 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-3SSAF-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 4-20mA 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 ±3% from 20% to 80% RH at 25°C. The device operates on 10-35V DC and has a 1/2 inch NPS connection, making it suitable for HVAC, cleanrooms, and industrial process control.</p><p>As a Singapore-based supplier, 3G Electric offers this transmitter with SGD quotes on request and handles GST for local buyers. We provide fast delivery across Singapore and Southeast Asia, ensuring you get the equipment you need promptly.</p>

Frequently Asked Questions

What is the output signal and power requirement of the RHPX-3SSAF-00?

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

What are the accuracy specifications for temperature and humidity?

Temperature accuracy is ±0.36°F @ 77°F, and humidity accuracy is ±3% from 20% to 80% 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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