When the thermocouple calibration problems should be paid attention to

Thermocouple ( 热电偶) Is commonly used in temperature measuring instrument of temperature measuring element, and it is directly measured temperature, and the temperature signals into a thermoelectric emfs, through electrical instrument ( Secondary instrument) Convert the temperature of the measured medium. The appearance of all kinds of thermocouple is often due to the need to vary, but their basic structure is roughly same, usually by the hot electrode, insulation sleeve to protect the main parts such as pipe and connection box, and usually display meter, recording meter and electronic regulator.

in the process of industrial production, temperature is one of the important parameters need to measure and control. In temperature measurement, the application of thermocouple is very extensive, it has simple structure, easy fabrication, wide measuring range, high precision, small inertia, and output signal remote transmission and many other advantages. In addition, due to the thermocouple is a kind of passive sensors, plus measurement without power, use very convenient, so it is often used as measurement of gas stove, the pipe surface temperature or the temperature of the liquid and solid.

integration by thermocouple temperature transmitter with two wire system solid electronic unit combination. In the form of solid module temperature measuring probe directly installed on the terminal box, and make the integration of formation of the transmitter. Integrated temperature transmitter generally divided into thermal resistance, thermocouple, two types.

, on-site installation and use within the thermocouple, heat resistance of the junction box, 4 - direct output 20mA、0- 10 ma output signal. In the save the expensive cost of compensation wire, will also be in the process of signal transmission over a long distance effectively enhance anti-jamming capability.

thermocouple transmitter with cold end temperature automatic compensation function support.

high precision, low energy consumption, using a wide range, and more temperature, reliable working performance.

using range is wide, can form integrated with thermocouple, heat resistance of on-site installation structure, also can be used as a functional module install it to use in testing equipment on the dashboard.

for intelligent temperature transmitter can pass HART communication modem and the upper machine, or handheld device, PC to the transmitter model, index number and range of remote information management, configuration, variable monitoring, calibration and maintenance functions.