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Dwyer Series 651 RTD Temperature Transmitter, 212°F, 4-20mA, Head-Mount, 651A-10 - Standard Temperature Transmitters with Head-Mount
DwyerStandard Temperature Transmitters with Head-Mount

Dwyer Series 651 RTD Temperature Transmitter, 212°F, 4-20mA, Head-Mount, 651A-10

The Dwyer Series 651 is a standard temperature transmitter with head-mount design, featuring an RTD sensing element. It measures process media temperature up to 212 °F with an accuracy of ±0.2°C plus 0.2% reading…

SKU 3G-OTH-178127

Also listed as: 651A10 · 651A 10

Brand
Dwyer
Item
Series 651 RTD Temperature Transmitter, 212°F, 4-20mA, Head-Mount, 651A-10
Category
Standard Temperature Transmitters with Head-Mount
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Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Dwyer
Manufacturer Part Number
651A-10
Series
651
Type
RTD, 212°F Process Media Temp Measurement - Max
Power Required
4 to 20mA DC
Temperature Range
212 °F
Sensing Element Type
RTD
Temperature Accuracy
±0.2°C plus 0.2% reading

Technical Documents

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

Product Description

The Dwyer Series 651 is a standard temperature transmitter with head-mount design, featuring an RTD sensing element. It measures process media temperature up to 212 °F with an accuracy of ±0.2°C plus 0.2% reading. The transmitter requires a 4 to 20mA DC power supply and is identified by manufacturer part number 651A-10.

Frequently Asked Questions

What is the Dwyer 651A-10 temperature transmitter used for?

The Dwyer 651A-10 is a head-mount temperature transmitter used to measure process media temperature up to 212 °F. It is commonly applied in HVAC, industrial processing, and fluid monitoring systems where accurate RTD-based temperature sensing is required.

What are the specifications of the Dwyer 651A-10?

The Dwyer 651A-10 is an RTD temperature transmitter with a range of 212 °F and accuracy of ±0.2°C plus 0.2% reading. It requires a 4 to 20mA DC power supply and is part of the Dwyer Series 651. The manufacturer part number is 651A-10.

Where to buy the Dwyer 651A-10 worldwide?

You can source the Dwyer 651A-10 temperature transmitter through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install a Dwyer 651A-10 head-mount transmitter?

Install the Dwyer 651A-10 by mounting the head directly onto the sensor assembly. Connect the 4 to 20mA DC loop power supply per the wiring diagram. Ensure the RTD probe is fully immersed in the process media. Follow standard industrial wiring practices and verify calibration before use.

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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Cross-referenced by specification & description
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Dwyer RHCN-7000 duct-mount transmitter measures temperature and relative humidity in HVAC ducts. It provides a 4 to 20 mA output signal for building management systems and environmental control. Powered by 230V AC, it operates from 32°F to 158°F
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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
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This duct-mount transmitter continuously measures and transmits both temperature and relative humidity in HVAC ducts, cleanrooms, and industrial process air streams. It features a 4 to 20 mA output for interfacing with building management systems or PLCs, and operates on 110V AC power within a temperature range of 32°F to 158°F
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
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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
Duct-mount transmitter for temperature and humidity measurement in HVAC systems. Provides a 4 to 20 mA output signal for integration with building automation controls. Operates over a range of 32 to 158°F and is powered by 110V AC
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Duct-mount transmitter for temperature and humidity measurement in HVAC systems. Provides a 4 to 20 mA output signal for integration with building automation controls. Operates over a range of 32 to 158°F and is powered by 110V AC

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The Dwyer Series 651A-40 is a 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. Accuracy is ±0.2°C plus 0.2% of reading. Typical applications include industrial process control, HVAC, and building automation systems
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The Dwyer Series 651A-40 is a 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. Accuracy is ±0.2°C plus 0.2% of reading. Typical applications include industrial process control, HVAC, and building automation systems
The Dwyer TBU-00 is a head-mount temperature transmitter that accepts universal inputs from thermocouple, RTD, or thermistor sensors. It provides a 4 to 20 mA output with ±0.1% full scale accuracy for thermocouple inputs. Maximum operating temperature is 185°F. Suitable for industrial temperature monitoring and control applications
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The Dwyer TBU-00 is a head-mount temperature transmitter that accepts universal inputs from thermocouple, RTD, or thermistor sensors. It provides a 4 to 20 mA output with ±0.1% full scale accuracy for thermocouple inputs. Maximum operating temperature is 185°F. Suitable for industrial temperature monitoring and control applications
This head-mount temperature transmitter from Dwyer's Series 651 uses a K-type thermocouple to measure process media temperatures up to 392°F. It provides a 4-20mA DC output with an accuracy of ±0.1% FS plus cold junction errors, suitable for industrial temperature monitoring and control applications
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The Dwyer 651TC-04 is a head-mount temperature transmitter for industrial process media temperature measurement up to 752°F. It accepts K-type thermocouple input and provides a 4 to 20 mA DC output. Accuracy is ±0.1% FS plus cold junction errors. Typical applications include temperature monitoring in HVAC, chemical processing, and manufacturing
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The Dwyer 651TC-04 is a head-mount temperature transmitter for industrial process media temperature measurement up to 752°F. It accepts K-type thermocouple input and provides a 4 to 20 mA DC output. Accuracy is ±0.1% FS plus cold junction errors. Typical applications include temperature monitoring in HVAC, chemical processing, and manufacturing
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