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thermocouple connectors

Thermocouple and RTD Connector Systems - manufactured by TC

Miniature Thermocouple Connectors

These flat pin miniature connectors are ideal for connecting thermocouple sensors and extension or compensating wire to each other. The pins are polarised to avoid an incorrect connection and the connector body is additionally marked for polarity. They are rated for use up to 425°F, 660°F & 1200°F (220°C, 350°C or 650°C).

In addition to offering a plug and jack, panel jacks and 3-pin versions are also available as well as matching anodised aluminium connector panels. Weatherproof neoprene boots for added protection in moist environments and Wire clamps are also available along with a wide range of accessories.

Miniature Thermocouple Connector Schematic and Styles

Miniature Thermocouple Connector
Miniature Thermocouple Connectors 410°F Rated A wide range of miniature connector styles and accessories made from Thermoplastic rated to 425°F (220ºC). These popular connectors are suitable for stranded or solid wire up to 0.031” diameter (20 AWG) Miniature Thermocouple Connectors 660°F Rated A new range of miniature connectors and accessories made from a Thermosetting plastic rated to 660°F (350ºC). These high temperature connectors are suitable for stranded or solid wire up to 0.031” diameter (20 AWG) Miniature Thermocouple Connectors
1200°F (650ºC) Rated
A range of miniature ceramic connectors and accessories rated to 1200°F (650ºC). These high temperature connectors are an excellent choice for elevated temperatures and are suitable for stranded or solid wire up to 0.031” diameter (20 AWG)


Standard Thermocouple Connectors - Manufactured by TC

These round pin standard connectors are ideal for connecting thermocouple sensors and extension or compensating wire to each other. The pins are polarised to avoid an incorrect connection and the connector body is additionally marked for polarity. They are rated for use up to 425°F, 660°F & 1200°F (220°C, 350°C or 650°C).

In addition to offering a plug and jack, panel jacks and 3-pin versions are also available as well as matching anodised aluminium connector panels can also be found in this section. Weatherproof neoprene boots are also available for added protection in moist environments as well as Wire clamps and a wide range of other accessories.

Standard Thermocouple Connector Schematic and Styles

Standard Thermocouple Connector
Standard Thermocouple Connectors 410°F Rated A wide range of standard connector styles and accessories made from Thermoplastic rated to 425°F (220ºC). These popular connectors are suitable for stranded or solid wire up to 0.051" diameter (16 AWG) Standard Thermocouple Connectors 660°F Rated A new range of standard connectors and accessories made from a Thermosetting plastic rated to 660°F (350ºC). These high temperature connectors are suitable for stranded or solid wire up to 0.051" (16 AWG) Standard Thermocouple Connectors
1200°F (650ºC) Rated
A range of standard ceramic connectors and accessories rated to 1200°F (650ºC). These high temperature connectors are an excellent choice for elevated temperatures and are suitable for stranded or solid wire up to 0.051" (16 AWG)

ANSI and IEC Color Codes for Connectors for Thermocouple Sensors



thermocouple connector colors ANSI
thermcouple connector colors
thermocouple plugs
When to use a Thermocouple Connector

Although the simplest of thermocouples end in bare wires (as found in many laboratory and industrial/research applications, for example), there are many other applications where a connector is usually desirable to make life easier.

We manufacture miniature and standard size thermocouple connectors which are available for use with all common thermocouple types and for use with copper conductors in applications involving resistance thermometers. For thermocouple applications, thermocouple grade alloys are incorporated in the contact parts of the connector. This avoids the generation of unwanted EMFs if the connector is not held at uniform temperature.

The connector is usually used to connect the thermocouple sensor to thermocouple or extension cables, then on to the reference junction and the instrumentation concerned. The connectors allow for rapid fitting or exchange of sensors without sacrificing thermocouple conductor uniformity. Plug and jacks are designed so that their installation can be made simply and securely, with designed-in locking mechanisms. Plugs and jacks are polarized by size and are usually marked for negative and positive polarity. Although there is no standard as such, connectors are generally pin compatible with devices from several manufacturers.

In general, although connector bodies for thermocouples are colour coded in accordance with the thermocouple standards (ANSI MC96.1), bodies of the higher temperature rated devices are coloured brown or white (depending on maximum temperature), irrespective of their thermocouple code. Bodies are then marked with their thermocouple type letter only.

Accessories include connector panels (standard and miniature), for stacking of jacks in multiple thermocouple applications, and barrier terminal strips. The latter have lugs marked to identify both alloy and polarity, and are available for most of the common standard types of thermocouple as well as copper wires for resistance thermometers.

More Thermocouple Plugs

Miniature Thermocouple Plug

Miniature Thermocouple Plug rated to 410ºF

A flat pin miniature thermocouple plug made from thermoplastic material and rated for use up to 410ºF.

Quick Connect Miniature Thermocouple Plug

Quick Connect Miniature Thermocouple Plug rated to 410ºF

A miniature thermocouple plug designed for quick connection of thermocouple wires, made from thermoplastic material and rated for use up to 410ºF.

Panel Mounting Miniature Thermocouple Plug

Panel Mounting Miniature Thermocouple Plug rated to 410ºF

A panel mounting miniature thermocouple plug made from thermoplastic material and rated for use up to 410ºF.

Three Pin Miniature Thermocouple Plug

Three Pin Miniature Thermocouple Plug rated to 410ºF

A three pin miniature thermocouple plug made from thermoplastic material and rated for use up to 410ºF.

Duplex Miniature Thermocouple Plug

Duplex Miniature Thermocouple Plug rated to 410ºF

A duplex miniature thermocouple plug made from thermoplastic material and rated for use up to 410ºF.

Miniature Thermocouple Plug (660ºF)

High Temperature Miniature Thermocouple Plug rated to 660ºF

A miniature thermocouple plug made from a thermosetting plastic and rated for use up to 660ºF.

Miniature Ceramic Thermocouple Plug

Miniature Ceramic Thermocouple Plug rated to 1200ºF

A miniature thermocouple plug made from ceramic and rated for use up to 1200ºF.

Quick Connect Miniature Ceramic Thermocouple Plug

Quick Connect Miniature Ceramic Thermocouple Plug rated to 1200ºF

A ceramic thermocouple plug designed for quick connection of thermocouple wires. Rated for use up to 1200ºF.

Standard Thermocouple Plug

Standard Thermocouple Plug rated to 410ºF

A round pin standard thermocouple plug made from thermoplastic material and rated for use up to 410ºF.

Quick Connect Standard Thermocouple Plug

Quick Connect Standard Thermocouple Plug rated to 410ºF

A standard thermocouple plug designed for quick connection of thermocouple wires, made from thermoplastic material and rated for use up to 410ºF.

Panel Mounting Standard Thermocouple Plug

Panel Mounting Standard Thermocouple Plug rated to 410ºF

A panel mounting standard thermocouple plug made from thermoplastic material and rated for use up to 410ºF.

Three Pin Standard Thermocouple Plug

Three Pin Standard Thermocouple Plug rated to 410ºF

A three pin standard thermocouple plug made from thermoplastic material and rated for use up to 410ºF.

Duplex Standard Thermocouple Plug

Duplex Standard Thermocouple Plug rated to 410ºF

A duplex standard thermocouple plug made from thermoplastic material and rated for use up to 410ºF.

Standard Thermocouple Plug (660ºF)

High Temperature Standard Thermocouple Plug rated to 660ºF

A standard thermocouple plug made from a thermosetting plastic and rated for use up to 660ºF.

Standard Ceramic Thermocouple Plug

Standard Ceramic Thermocouple Plug rated to 1200ºF

A standard thermocouple plug made from ceramic and rated for use up to 1200ºF.

Quick Connect Standard Ceramic Thermocouple Plug

Quick Connect Standard Ceramic Thermocouple Plug rated to 1200ºF

A ceramic thermocouple plug for quick connection of thermocouple wires. Rated for use up to 1200ºF.

Cable Clamp for Standard Thermocouple Plugs

Cable Clamp for Standard Thermocouple Plugs

Allows the user to clamp wires and cables in place.

Crimp / Braze Adaptor for Standard Thermocouple Plugs

This adaptor can be crimped onto a mineral insulated cable or metal tube so it may then be attached to a standard connector.

Compression Tube Adaptor for Standard Thermocouple Plugs

This adaptor compresses onto a mineral insulated cable or metal tube so it may then be attached to a standard connector.

Compression Tube Adaptor for Standard Thermocouple Connectors

Plastic Locking Clip for Standard Thermocouple Connectors

For extra protection to prevent accidental disconnection of a standard plug and jack. Can be easily placed over a closed pair of connectors by hand.


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