K type thermocouple color code

Thermocouples of all different types have their own colour coding to aid identification however this is not necessarily as easy as it may seem, k type thermocouple color code. As well as each thermocouple type having its own colour code, there are various national and international standards each having their own colour code system. It is important to positively identify which standard is being used before you can identify the thermocouple type.

There are many types of thermocouples , each with its own unique characteristics. You can easily identify a thermocouple type by the colors of its wire insulation. In ANSI color coding, the red wire of a thermocouple is negative, and the positive wire is color coded to the type of thermocouple. There are many types of thermocouples, each with its own unique characteristics. A type K thermocouple has one red wire and one yellow wire. Type K thermocouples have a useful temperature range of negative to 1, degrees Celsius.

K type thermocouple color code

To help identify the thermocouple type and thermoelement conductor polarity, various colour codes have been developed and are in use around the world. There is still a demand for cables and sensors to be supplied to obsolete colour codes, such as BS In the UK and Europe, the most widely used colour code for Type K thermocouple cable is to the international IEC standard which is as follows:. Occasionally in the UK, American ANSI colours may be found which have a yellow outer sheath with yellow and red conductors as shown below. You may also come across some old redundant colours such as the obsolete BS standard and these are shown in the table below:. Type KCA - This compensating cable conductor combination is little known and generally not available. It should not be confused with the more popular Type KCB as shown below. If suitable to your requirements it can save money where long runs are necessary. In the UK and Europe, the most widely used colour code for Type T thermocouple cable is to the international IEC standard which is as follows:. Type TX extension cable conductors are made from the same constituent elements as Type T thermocouples. There is no compensating cable available for Type T, however the extension cable is relatively inexpensive.

Type K would be red and type E would be brown. Company Name.

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Japanese to JIS C Used for interconnecting Type "K" thermocouples and instrumentation as an alternative to Type "K" material. Color coded for use as a compensating cable for Type "K" thermocouples. This compensating cable can also be used for extending Type "T" thermocouples. Many low temperature and cryogenic applications. Suitable for use in a mildly oxidizing or reducing atmosphere as an unprotected thermocouple sensor. Commonly used in the plastic molding industry.

K type thermocouple color code

You will see in the table below, that commonly, negative wires are red, the outer sheath for thermocouple grades is brown and the positive lead is color coded according to thermocouple type. For extension grade cables this positive leg color is also carried over to the outer insulation color. Fiberglass insulated wires follow the same system but have a colored tracer rather than a solid color. We also have an extensive range of data sheets available for all our Thermocouple Grade Wire and Thermocouple Extension Wire. Extension wire can offer a cost advantage. For base metal thermocouples, the wire is the same composition as the corresponding thermocouple.

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The positive conductor is insulated with a colour, for example type K has a green insulation, type J has a black insulation. Of course, you could use a magnet to test for either type K or type J and this would rule out the cable being type T by elimination. To help identify the thermocouple type and thermoelement conductor polarity, various colour codes have been developed and are in use around the world. This may be because the cable manufacture uses a colour tracer rather than dying the insulation completely. No other thermocouple uses Copper as a conductor so this can aid positive identification. Type K thermocouples have a useful temperature range of negative to 1, degrees Celsius. The positive leg will be strongly magnetic. We'll assume you're ok with this, but you can opt-out if you wish. In the UK and Europe, the most widely used colour code for Type R thermocouple cable is to the international IEC standard which is as follows:. A highly unlikely problem is that of type K and type E colour coding when using the now obsolete British Standard colour coding. There are many types of thermocouples, each with its own unique characteristics. Occasionally in the UK, American ANSI colours may be found which have a green outer sheath with black and red conductors as shown below. You may also come across some old redundant colours such as the obsolete BS standard and these are shown in the table below:. The magnetic pull is very slight for type K so needs some care to notice it. If suitable to your requirements it can save money where long runs are necessary.

Call us at This may be an immersion sensor, a surface sensor, wire or another style of sensor or cable. Click on this link to check the complete thermocouple color code chart.

As such, a lot of cable still in use and being supplied could well be to the historical industry accepted standard shown in the table below. The colour coding for type J within the IEC system is unique and there are no other types which are similar. Our privacy policy can be viewed here. It should not be confused with the more popular Type KCB as shown below. Occasionally in the UK, American ANSI colours may be found which have a black outer sheath with white and red conductors as shown below. For type J the positive conductor is strongly magnet as it is pure Iron. The jacket colour of the cable where the cable has a jacket is the same colour as the positive conductor insulation. You may also come across some old redundant colours such as the obsolete BS standard and these are shown in the table below:. Address 1. With respect to other colour coding standards, there are a couple of other difficulties in identifying type J. Your Name. I agree to the terms and conditions listed in the Privacy Policy. In the UK and Europe, the most widely used colour code for Type T thermocouple cable is to the international IEC standard which is as follows:. Again the simplest method to confirm the thermocouple type is by using a magnet to test. You also have the option to opt-out of these cookies.