Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Dwyer RHPX-2SDA0-00 Duct-Mount Temperature and Humidity Transmitter - Duct-Mount Temperature & Humidity Transmitters
DwyerDuct-Mount Temperature & Humidity Transmitters

Dwyer RHPX-2SDA0-00 Duct-Mount Temperature and Humidity Transmitter

The Dwyer RHPX-2SDA0-00 is a duct-mount temperature and humidity transmitter with a 4 to 20mA DC output. It operates on a 10 to 35V DC power source, features a 0 to 5V DC solid state band gap sensing element, and…

SKU 3G-OTH-180766

Also listed as: RHPX2SDA000 · RHPX 2SDA0 00

Brand
Dwyer
Item
RHPX-2SDA0-00 Duct-Mount Temperature and Humidity Transmitter
Category
Duct-Mount Temperature & Humidity Transmitters
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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-2SDA0-00
Type
Screw Terminals, RHP
Output
4 to 20mA DC
Power Source
10 to 35V DC
Humidity Accuracy
2%
Temperature Range
-4 °F to 140 °F
Sensing Element Type
0 to 5V DC Solid State Band Gap
Temperature Accuracy
±0.9°F at 77°F
DC Solid State Band Gap
0 to 5V

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The Dwyer RHPX-2SDA0-00 is a duct-mount temperature and humidity transmitter with a 4 to 20mA DC output. It operates on a 10 to 35V DC power source, features a 0 to 5V DC solid state band gap sensing element, and offers a humidity accuracy of 2% and a temperature accuracy of ±0.9°F at 77°F. The device measures temperatures from -4 °F to 140 °F.

Frequently Asked Questions

What is the Dwyer RHPX-2SDA0-00 used for?

The Dwyer RHPX-2SDA0-00 is a duct-mount temperature and humidity transmitter used in HVAC systems to monitor and control air conditions in commercial and industrial buildings. It provides a 4 to 20mA DC output for integration with building management systems, ensuring precise environmental regulation.

What are the specifications of the Dwyer RHPX-2SDA0-00?

The Dwyer RHPX-2SDA0-00 has a humidity accuracy of 2%, temperature accuracy of ±0.9°F at 77°F, and a temperature range of -4 °F to 140 °F. It operates on 10 to 35V DC power, uses a 0 to 5V DC solid state band gap sensing element, and outputs 4 to 20mA DC via screw terminals.

Where to buy the Dwyer RHPX-2SDA0-00 worldwide?

You can source the Dwyer RHPX-2SDA0-00 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we provide reliable sourcing for this Dwyer transmitter.

How to install the Dwyer RHPX-2SDA0-00?

Install the Dwyer RHPX-2SDA0-00 by mounting it in a duct with the sensing element exposed to airflow. Connect power (10 to 35V DC) and output (4 to 20mA DC) via screw terminals. Follow Dwyer's manual for wiring and placement to avoid condensation or extreme temperatures beyond -4 °F to 140 °F.

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 duct-mount temperature & humidity transmitters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
The Dwyer RHP-2D1B is a duct-mount transmitter for measuring temperature and humidity in HVAC air-handling systems. It outputs a 4 to 20mA DC signal proportional to both parameters, using a Type II Thermistor (10K @ 25°C) for temperature sensing with ±0.36°F accuracy at 77°F and a humidity sensor with 2% accuracy. The device operates on 10 to 35V DC power and covers a temperature range of -4 °F to 140 °F, with screw terminal connections
Dwyer
The Dwyer RHP-2D1B is a duct-mount transmitter for measuring temperature and humidity in HVAC air-handling systems. It outputs a 4 to 20mA DC signal proportional to both parameters, using a Type II Thermistor (10K @ 25°C) for temperature sensing with ±0.36°F accuracy at 77°F and a humidity sensor with 2% accuracy. The device operates on 10 to 35V DC power and covers a temperature range of -4 °F to 140 °F, with screw terminal connections
DWYER Humidity Transmitters: 4 to 20mA, 40 to 20mA Solid State Band Gap, Screw Terminals, 1/2 in NPS (MPN RHPX-2SSA0-00)
Dwyer
DWYER Humidity Transmitters: 4 to 20mA, 40 to 20mA Solid State Band Gap, Screw Terminals, 1/2 in NPS (MPN RHPX-2SSA0-00)
DWYER Humidity/Temp Transducer: 4 to 20mA DC, Thermistor (20K @ 25°C), Screw Terminals, 1/2 in NPS (MPN RHPX-3SDA0-00)
Dwyer
DWYER Humidity/Temp Transducer: 4 to 20mA DC, Thermistor (20K @ 25°C), Screw Terminals, 1/2 in NPS (MPN RHPX-3SDA0-00)
DWYER Humidity/Temp Transducer: 0 to 10V DC, Thermistor (20K @ 25°C), Screw Terminals, 1/2 in NPS (MPN RHPX-3SDAF-00)
Dwyer
DWYER Humidity/Temp Transducer: 0 to 10V DC, Thermistor (20K @ 25°C), Screw Terminals, 1/2 in NPS (MPN RHPX-3SDAF-00)
DWYER Humidity/Temp Transducer: 0 to 10V DC, 0 to 5V DC Solid State Band Gap, Screw Terminals, RHP (MPN RHPX-3SDA0-00)
Dwyer
DWYER Humidity/Temp Transducer: 0 to 10V DC, 0 to 5V DC Solid State Band Gap, Screw Terminals, RHP (MPN RHPX-3SDA0-00)
DWYER Humidity Transmitters: 0 to 10V DC, 0 to 10V DC Solid State Band Gap, Screw Terminals, RHP (MPN RHP-3O22)
Dwyer
DWYER Humidity Transmitters: 0 to 10V DC, 0 to 10V DC Solid State Band Gap, Screw Terminals, RHP (MPN RHP-3O22)

More from Dwyer

View all Dwyer parts
Duct-mount transmitter for measuring humidity and temperature in HVAC air-handling units. Features Type III Thermistor (10K @ 25°C) sensing element, 2% humidity accuracy, ±0.36°F temperature accuracy at 77°F, and 4-20mA DC output. Operates on 10-35V DC power over -4°F to 140°F range
Dwyer
Duct-mount transmitter for measuring humidity and temperature in HVAC air-handling units. Features Type III Thermistor (10K @ 25°C) sensing element, 2% humidity accuracy, ±0.36°F temperature accuracy at 77°F, and 4-20mA DC output. Operates on 10-35V DC power over -4°F to 140°F range
Duct-mount transmitter for simultaneous temperature and relative humidity measurement in HVAC air-handling systems. Provides a 4 to 20 mA output signal for integration with building automation or control panels. Operates over a temperature range of 32°F to 158°F and is powered by 110V AC
Dwyer
Duct-mount transmitter for simultaneous temperature and relative humidity measurement in HVAC air-handling systems. Provides a 4 to 20 mA output signal for integration with building automation or control panels. Operates over a temperature range of 32°F to 158°F and is powered by 110V AC
Duct-mount transmitter with Pt1000 RTD for temperature and humidity measurement. Outputs 4 to 20mA DC, powered by 10 to 35V DC. Temperature range -4°F to 140°F with ±0.54°F accuracy at 32°F; humidity accuracy 3%. Features screw terminals, 1/2 in NPS connection, and 9 in probe. Suitable for HVAC duct monitoring in commercial and industrial environments
Dwyer
Duct-mount transmitter with Pt1000 RTD for temperature and humidity measurement. Outputs 4 to 20mA DC, powered by 10 to 35V DC. Temperature range -4°F to 140°F with ±0.54°F accuracy at 32°F; humidity accuracy 3%. Features screw terminals, 1/2 in NPS connection, and 9 in probe. Suitable for HVAC duct monitoring in commercial and industrial environments
Duct-mount transmitter for monitoring temperature and humidity in HVAC air handling ducts. Features a Type II Thermistor (10K @ 25°C) sensing element, 4-20mA DC output, and screw terminals. Operates on 10-35V DC power, with temperature range -4°F to 140°F, temperature accuracy ±0.36°F @ 77°F, and humidity accuracy 3%
Dwyer
Duct-mount transmitter for monitoring temperature and humidity in HVAC air handling ducts. Features a Type II Thermistor (10K @ 25°C) sensing element, 4-20mA DC output, and screw terminals. Operates on 10-35V DC power, with temperature range -4°F to 140°F, temperature accuracy ±0.36°F @ 77°F, and humidity accuracy 3%
Duct-mount transmitter for temperature and humidity measurement in HVAC air handling systems. Provides a 0 to 10V DC output signal proportional to sensed conditions. Features a Type III Thermistor (10K @ 25°C) temperature element and capacitive humidity sensor with ±3% accuracy. Operates on 15 to 35V DC power supply over a temperature range of -4 °F to 140 °F
Dwyer
Duct-mount transmitter for temperature and humidity measurement in HVAC air handling systems. Provides a 0 to 10V DC output signal proportional to sensed conditions. Features a Type III Thermistor (10K @ 25°C) temperature element and capacitive humidity sensor with ±3% accuracy. Operates on 15 to 35V DC power supply over a temperature range of -4 °F to 140 °F
This duct-mount transmitter measures temperature and humidity for HVAC applications. It provides a 4 to 20mA DC output proportional to temperature and humidity, with a 0 to 5V DC solid state band gap sensing element. Humidity accuracy is 3%, temperature accuracy is ±0.9°F at 77°F, and the temperature range is -4°F to 140°F. Power source is 10 to 35V DC, and connection is via screw terminals
Dwyer
This duct-mount transmitter measures temperature and humidity for HVAC applications. It provides a 4 to 20mA DC output proportional to temperature and humidity, with a 0 to 5V DC solid state band gap sensing element. Humidity accuracy is 3%, temperature accuracy is ±0.9°F at 77°F, and the temperature range is -4°F to 140°F. Power source is 10 to 35V DC, and connection is via screw terminals
This duct-mount transmitter measures temperature and humidity for HVAC applications. It provides a 0 to 10V DC output proportional to temperature (-4 to 140 °F) and humidity (2% accuracy). The sensing element is a 0 to 5V DC solid state band gap. Power supply is 15 to 35V DC
Dwyer
This duct-mount transmitter measures temperature and humidity for HVAC applications. It provides a 0 to 10V DC output proportional to temperature (-4 to 140 °F) and humidity (2% accuracy). The sensing element is a 0 to 5V DC solid state band gap. Power supply is 15 to 35V DC
Duct-mount transmitter for simultaneous temperature and humidity measurement in HVAC air-handling units. Outputs a 4-20mA DC signal proportional to temperature and humidity. Features a Type III Thermistor (10K @ 25°C) sensing element, ±0.36°F temperature accuracy at 77°F, and 3% humidity accuracy. Operates on 10-35V DC power over a -4°F to 140°F temperature range
Dwyer
Duct-mount transmitter for simultaneous temperature and humidity measurement in HVAC air-handling units. Outputs a 4-20mA DC signal proportional to temperature and humidity. Features a Type III Thermistor (10K @ 25°C) sensing element, ±0.36°F temperature accuracy at 77°F, and 3% humidity accuracy. Operates on 10-35V DC power over a -4°F to 140°F temperature range