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Dwyer Series 651 RTD Temperature Transmitter, 752°F, 4-20mA Output, Head-Mount - Standard Temperature Transmitters with Head-Mount
DwyerStandard Temperature Transmitters with Head-Mount

Dwyer Series 651 RTD Temperature Transmitter, 752°F, 4-20mA Output, Head-Mount

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

Also listed as: 651A40 · 651A 40

Brand
Dwyer
Item
Series 651 RTD Temperature Transmitter, 752°F, 4-20mA Output, Head-Mount
Part Number
651A-40
Category
Standard Temperature Transmitters with Head-Mount
Available to Order
Also known as:651A-40Dwyer
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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
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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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