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Dwyer Temperature Transducer: 752°F, RTD - Standard Temperature Transmitters with Head-Mount
DwyerStandard Temperature Transmitters with Head-Mount

Dwyer Temperature Transducer: 752°F, RTD

The Dwyer Series 651 Temperature Transducer (MPN 651A-40) is a standard head-mount temperature transmitter with an RTD sensing element. It measures process media temperatures up to 752 °F and provides a 4 to 20mA DC…

SKU 3G-OTH-178129

Brand
Dwyer
Item
Temperature Transducer: 752°F, RTD
Category
Standard Temperature Transmitters with Head-Mount
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Technical Specifications

Dwyer
Manufacturer Part Number
651A-40
Series
651
Type
RTD, 752°F Process Media Temp Measurement - Max
Power Required
4 to 20mA DC
Temperature Range
752 °F
Sensing Element Type
RTD
Temperature Accuracy
±0.2°C plus 0.2% reading
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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dwyer Series 651 Temperature Transducer (MPN 651A-40) is a standard head-mount temperature transmitter with an RTD sensing element. It measures process media temperatures up to 752 °F and provides a 4 to 20mA DC output. The transmitter offers a temperature accuracy of ±0.2°C plus 0.2% of reading.

Frequently Asked Questions

What is the Dwyer 651A-40 temperature transducer used for?

The Dwyer 651A-40 is a head-mount RTD temperature transmitter used in industrial process control to measure media temperatures up to 752 °F. It outputs a 4 to 20mA DC signal for integration with PLCs, SCADA, and building automation systems in HVAC, chemical, and food processing plants.

What are the specifications of the Dwyer 651A-40?

The Dwyer 651A-40 is an RTD temperature transducer with a range of 752 °F and accuracy of ±0.2°C plus 0.2% of reading. It requires 4 to 20mA DC power and is part of the Series 651. The sensing element is RTD, and the unit is designed for head-mount installation.

Where to buy the Dwyer 651A-40 worldwide?

3G Electric supplies the Dwyer 651A-40 temperature transducer worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this RTD transmitter to any country.

How to install the Dwyer 651A-40 temperature transmitter?

Mount the Dwyer 651A-40 in a standard head-mount enclosure. Connect the RTD sensor to the input terminals and the 4 to 20mA DC loop to the output. Ensure the process media temperature does not exceed 752 °F. Follow Dwyer's manual for wiring and calibration; use proper thermowell for high-temperature media.

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

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