Characteristics and installation requirements of K-type thermocouples

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This post was last edited by Wang Tianze on 2016-8-12 at 20:44: http://www.china-hcyb.com/up_files/image/Article/2016/08/10/38869641.jpg Features: As an industrial prefabricated K-type thermocouple, which functions as a temperature sensor, it is typically used in conjunction with display instruments, recording devices, and electronic regulators. Due to its good high-temperature oxidation resistance, this alloy can be used in oxidative or neutral media. It can measure high temperatures of up to 1000 degrees over a long period, and up to 1200 degrees in the short term. It cannot be used in reducing media, otherwise it will corrode rapidly; in such cases, it can only be used for measurements below 500 degrees. It is much cheaper than S-type thermocouples; it has excellent repeatability, generates a large electromotive force, which gives it high sensitivity, and it also exhibits good linearity. Although its measurement accuracy is slightly lower, it fully meets the requirements for industrial temperature measurement; therefore, it is the most commonly used thermocouple in industry. Installation: 1. Insertion depth requirement – The measuring end must have sufficient insertion depth, such that the measuring end of the protective sleeve extends 5–10 mm beyond the center line of the pipe. 2. Pay attention to heat insulation. To prevent additional errors in temperature measurement caused by conductive heat loss, the length of the protective sleeve that protrudes outside the equipment should be kept as short as possible, and a heat-insulating layer should be applied. 3. To prevent deformation, it should be installed as vertically as possible. It must be installed at an angle in pipes with flow; if horizontal installation is required, it should be supported by brackets.