Pay attention to the installation method of thermocouple and thermal resistance

Thermocouple is a kind of instrument to measure temperature cooperatively. The selection of thermocouple and thermal resistance is conducive to accurate temperature measurement, safety and reliability. We will briefly learn some common sense about them again to facilitate us, the normal temperature of the target being measured The thermal resistance is selected for the scale below 300℃. If the normal temperature scale of the measured target is above 300℃, choose the thermocouple, thermocouple and thermal resistance installation method. First, measure the dimensions of the thermocouple and thermal resistance flange or threaded thread, and process the matching flange or thread. Pedestal. According to the dimensions of the flange or the threaded base, make holes in the pipes that need to be measured. Welding of flanges or screw sockets. Pierce the flange base or the threaded base into the opened hole, weld the flange base or the threaded base to the pipe to be measured, and fasten the thermocouple or thermal resistance with bolts or screw into the welded threaded base . Connect the junction box of the thermocouple or thermal resistance according to the wiring diagram, and connect it with the corresponding appearance on the dial. Pay attention that the junction box cannot touch the pipe wall of the tested medium pipe, and ensure that the temperature in the junction box does not exceed 100°C. The outlet hole of the junction box should be prevented from being short-circuited by the accumulation of moisture, dust, etc. due to poor sealing.

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