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Dwyer Humidity/Temp Transducer: 4 to 20mA DC, 0 to 5V DC Solid State Band Gap - Duct-Mount Temperature & Humidity Transmitters
DwyerDuct-Mount Temperature & Humidity Transmitters

Dwyer Humidity/Temp Transducer: 4 to 20mA DC, 0 to 5V DC Solid State Band Gap

The Dwyer RHPX-3SDA0-00 is a duct-mount temperature and humidity transmitter with a 4 to 20mA DC output and a 0 to 5V DC solid state band gap sensing element. It operates on a 10 to 35V DC power source, measures…

SKU 3G-OTH-180778

Brand
Dwyer
Item
Humidity/Temp Transducer: 4 to 20mA DC, 0 to 5V DC Solid State Band Gap
Category
Duct-Mount Temperature & Humidity Transmitters
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Technical Specifications

Dwyer
Manufacturer Part Number
RHPX-3SDA0-00
Type
Screw Terminals, RHP
Output
4 to 20mA DC
Power Source
10 to 35V DC
Humidity Accuracy
3%
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
View Full Spec Sheet

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

Product Description

The Dwyer RHPX-3SDA0-00 is a duct-mount temperature and humidity transmitter with a 4 to 20mA DC output and a 0 to 5V DC solid state band gap sensing element. It operates on a 10 to 35V DC power source, measures humidity with 3% accuracy, and temperature from -4 °F to 140 °F with ±0.9°F accuracy at 77°F. This transmitter uses screw terminals for connection.

Frequently Asked Questions

What is the Dwyer RHPX-3SDA0-00 used for?

The Dwyer RHPX-3SDA0-00 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-3SDA0-00?

The Dwyer RHPX-3SDA0-00 has a humidity accuracy of 3%, 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, outputs 4 to 20mA DC, and uses a 0 to 5V DC solid state band gap sensing element with screw terminals.

Where to buy the Dwyer RHPX-3SDA0-00 worldwide?

You can source the Dwyer RHPX-3SDA0-00 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-3SDA0-00?

To install the Dwyer RHPX-3SDA0-00, mount it in a duct with the sensing element exposed to airflow. Connect screw terminals to a 10 to 35V DC power source and a 4 to 20mA DC input device. Ensure the temperature range stays within -4 °F to 140 °F. Follow Dwyer's manual for wiring and calibration.

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.

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DWYER Humidity/Temp Transducer: 0 to 10V DC, 0 to 5V DC Solid State Band Gap, Screw Terminals, RHP (MPN RHPX-3SDA0-00). Key specifications — Brand: DWYER; Humidity Accuracy: 3%; Sensing Element Type: 0 to 5V DC Solid State Band Gap; Temperature Accuracy: ±0.9°F at 77°F; Output: 0 to 10V DC; Power Source: 15 to 35V DC; 15 to 29V AC; Temperature Range: -4 °F to 140 °F.
Dwyer
DWYER Humidity/Temp Transducer: 0 to 10V DC, 0 to 5V DC Solid State Band Gap, Screw Terminals, RHP (MPN RHPX-3SDA0-00). Key specifications — Brand: DWYER; Humidity Accuracy: 3%; Sensing Element Type: 0 to 5V DC Solid State Band Gap; Temperature Accuracy: ±0.9°F at 77°F; Output: 0 to 10V DC; Power Source: 15 to 35V DC; 15 to 29V AC; Temperature Range: -4 °F to 140 °F.
DWYER Humidity/Temp Transducer: 0 to 10V DC, Thermistor (20K @ 25°C), Screw Terminals, 1/2 in NPS (MPN RHPX-2SDAF-00). Key specifications — Brand: DWYER; Humidity Accuracy: 2%; Sensing Element Type: Thermistor (20K @ 25°C); Temperature Accuracy: ±0.36°F @ 77°F; Output: 0 to 10V DC; Power Source: 15 to 35V DC; 15 to 29V AC; Temperature Range: -4 °F to 140 °F.
Dwyer
DWYER Humidity/Temp Transducer: 0 to 10V DC, Thermistor (20K @ 25°C), Screw Terminals, 1/2 in NPS (MPN RHPX-2SDAF-00). Key specifications — Brand: DWYER; Humidity Accuracy: 2%; Sensing Element Type: Thermistor (20K @ 25°C); Temperature Accuracy: ±0.36°F @ 77°F; Output: 0 to 10V DC; Power Source: 15 to 35V DC; 15 to 29V AC; Temperature Range: -4 °F to 140 °F.
DWYER Humidity/Temp Transducer: 0 to 10V DC, Pt100 RTD, Screw Terminals, 1/2 in NPS, 9 in Probe Lg (MPN RHP-2D2D). Key specifications — Brand: DWYER; Humidity Accuracy: 2%; Sensing Element Type: Pt100 RTD; Temperature Accuracy: ±0.54°F @ 32°F; Output: 0 to 10V DC; Power Source: 15 to 35V DC; 15 to 29V AC; Temperature Range: -4 °F to 140 °F.
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DWYER Humidity/Temp Transducer: 0 to 10V DC, Pt100 RTD, Screw Terminals, 1/2 in NPS, 9 in Probe Lg (MPN RHP-2D2D). Key specifications — Brand: DWYER; Humidity Accuracy: 2%; Sensing Element Type: Pt100 RTD; Temperature Accuracy: ±0.54°F @ 32°F; Output: 0 to 10V DC; Power Source: 15 to 35V DC; 15 to 29V AC; Temperature Range: -4 °F to 140 °F.