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K Type Thermocouple Wire

Basic Info

Model No.:  K type

Product Description

Model NO.: K type Temperature Range: -40-1000 Tolerance: ±1.5°c/±0.4%T Transport Package: in Spool, Carton, Wooden Case Origin: China Process Standard: IEC-584-2 Color: Bright Trademark: Ualloy Specification: IEC 584-2 HS Code: 90259000 1,discription of thermocouple alloys:

A thermocouple is a temperature measuring device consisting of two conductors of dissimilar metals or alloys that are connected only at the ends. When the ends are at different temperatures a small voltage is produced in the wire that can be related directly to the temperature difference between the ends. If the temperature at one end is known, the temperature at the other end can be determined. 

Thermocouple Wire or extension grade wire is recommended to be used to connect thermocouples to the sensing or control instrumentation. The conditions of measurement determine the type of thermocouple wire and insulation to be used. Temperature range, environment, insulation requirements, response, and service life should be considered. 

2,thermocouple temperature range and tolerance



Operating temperature range (°C)


Long term

Short term


Temperature range



GB/T2614 K









conductor: positive NiCr Ni 90%,Cr 10%
                   nagative NiAl Ni 97% ,Al 3%

TYPE K (CHROMEL vs ALUMEL ) is used in oxidizing, inert or dry reducing atmospheres. Exposure to vacuum limited to short time periods. Must be protected from sulfurous and marginally oxidizing atmospheres. Reliable and accurate at high temperatures. 

Contact us if you need more details on Thermocouple Wire. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Measuring Temperature、Temperature Sensor. If these products fail to match your need, please contact us and we would like to provide relevant information.

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