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Dwyer Series 651 K-Type Head-Mount Temperature Transmitter - Standard Temperature Transmitters with Head-Mount
DwyerStandard Temperature Transmitters with Head-Mount

Dwyer Series 651 K-Type Head-Mount Temperature Transmitter

The DWYER Series 651 Standard Temperature Transmitter with Head-Mount (MPN 651TC-02) is a K-type thermocouple-based transducer with a temperature range of 392 °F and accuracy of ±0.1% FS plus cold junction errors. It…

SKU 3G-OTH-178134

Also listed as: 651TC02 · 651TC 02

Brand
Dwyer
Item
Series 651 K-Type Head-Mount Temperature Transmitter
Category
Standard Temperature Transmitters with Head-Mount
Available to Order
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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
651TC-02
Series
651
Type
K Type, 392°F Process Media Temp Measurement - Max
Power Required
4 to 20mA DC
Temperature Range
392 °F
Sensing Element Type
K Type
Temperature Accuracy
±0.1% FS Plus Cold Junction Errors

Technical Documents

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

Product Description

The DWYER Series 651 Standard Temperature Transmitter with Head-Mount (MPN 651TC-02) is a K-type thermocouple-based transducer with a temperature range of 392 °F and accuracy of ±0.1% FS plus cold junction errors. It requires a 4 to 20mA DC power supply for operation.

Frequently Asked Questions

What is the DWYER 651TC-02 temperature transducer used for?

The DWYER 651TC-02 is a head-mount temperature transmitter used for industrial process media temperature measurement up to 392 °F. It converts K-type thermocouple signals into a 4 to 20mA DC output for monitoring and control in HVAC, chemical, and manufacturing plants.

What are the specifications of the DWYER 651TC-02?

The DWYER 651TC-02 is a Series 651 standard temperature transmitter with a K-type thermocouple sensing element. It measures temperatures up to 392 °F with an accuracy of ±0.1% FS plus cold junction errors. Power required is 4 to 20mA DC. The manufacturer part number is 651TC-02.

Where to buy the DWYER 651TC-02 worldwide?

You can source the DWYER 651TC-02 temperature transducer 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 on this Dwyer part.

How to install a head-mount temperature transmitter like the DWYER 651TC-02?

Install the DWYER 651TC-02 by mounting the head directly onto the thermocouple sensor head. Connect the 4 to 20mA DC power supply to the transmitter terminals, ensuring correct polarity. Follow standard wiring practices for K-type thermocouples and verify cold junction compensation for accurate readings.

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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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
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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 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
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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 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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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
This duct-mount transmitter measures temperature and humidity in HVAC ducts, outputting a 0 to 10V DC signal for building management systems. It uses a Type II Thermistor (10K @ 25°C) sensing element with temperature accuracy of ±0.36°F @ 77°F and humidity accuracy of 2%. The device operates on 15 to 35V DC power and covers a temperature range of -4 °F to 140 °F
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This duct-mount transmitter measures temperature and humidity in HVAC ducts, outputting a 0 to 10V DC signal for building management systems. It uses a Type II Thermistor (10K @ 25°C) sensing element with temperature accuracy of ±0.36°F @ 77°F and humidity accuracy of 2%. The device operates on 15 to 35V DC power and covers a temperature range of -4 °F to 140 °F
Outdoor surface-mount transmitter for temperature and humidity measurement with 4 to 20mA output. Features Type II Thermistor (10K @ 25°C) sensing element, ±2% RH accuracy (10 to 90% RH at 25°C), and ±0.36°F temperature accuracy at 77°F. Operates on 10 to 35V DC over -4°F to 140°F range. Includes 1/2 in NPS connection and screw terminals. Suitable for HVAC, environmental monitoring, and building automation systems
Dwyer
Outdoor surface-mount transmitter for temperature and humidity measurement with 4 to 20mA output. Features Type II Thermistor (10K @ 25°C) sensing element, ±2% RH accuracy (10 to 90% RH at 25°C), and ±0.36°F temperature accuracy at 77°F. Operates on 10 to 35V DC over -4°F to 140°F range. Includes 1/2 in NPS connection and screw terminals. Suitable for HVAC, environmental monitoring, and building automation systems

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K-type thermocouple temperature transmitter with head-mount design. Converts temperature signals to a 4 to 20mA DC output. Measures process media temperatures up to 212°F with accuracy of ±0.1% FS plus cold junction errors. Suitable for industrial monitoring and control applications
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K-type thermocouple temperature transmitter with head-mount design. Converts temperature signals to a 4 to 20mA DC output. Measures process media temperatures up to 212°F with accuracy of ±0.1% FS plus cold junction errors. Suitable for industrial monitoring and control applications
The Dwyer Series 651 head-mount temperature transmitter uses an RTD sensing element to measure process media temperature up to 392°F. It operates on a 4-20mA DC loop power and provides an accuracy of ±0.2°C plus 0.2% of reading. This transmitter is suited for industrial temperature monitoring in HVAC, refrigeration, and process control systems
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The Dwyer Series 651 head-mount temperature transmitter uses an RTD sensing element to measure process media temperature up to 392°F. It operates on a 4-20mA DC loop power and provides an accuracy of ±0.2°C plus 0.2% of reading. This transmitter is suited for industrial temperature monitoring in HVAC, refrigeration, and process control systems
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
The Dwyer Series 651 head-mount temperature transmitter uses an RTD sensing element to measure process media temperature up to 212°F. It provides a 4-20mA DC output with an accuracy of ±0.2°C plus 0.2% of reading. Typical applications include temperature monitoring in HVAC, industrial processing, and fluid systems
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The Dwyer Series 651 head-mount temperature transmitter uses an RTD sensing element to measure process media temperature up to 212°F. It provides a 4-20mA DC output with an accuracy of ±0.2°C plus 0.2% of reading. Typical applications include temperature monitoring in HVAC, industrial processing, and fluid systems
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
The Dwyer 651TC-06 is a head-mount temperature transmitter with a K Type thermocouple sensing element. It measures process media temperatures up to 1,112°F with an accuracy of ±0.1% FS plus cold junction errors. The transmitter operates on a 4 to 20mA DC power supply and is suitable for industrial temperature monitoring applications
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The Dwyer 651TC-06 is a head-mount temperature transmitter with a K Type thermocouple sensing element. It measures process media temperatures up to 1,112°F with an accuracy of ±0.1% FS plus cold junction errors. The transmitter operates on a 4 to 20mA DC power supply and is suitable for industrial temperature monitoring applications