As we all know, with the development of economy, nichchromium wire is a kind of precision products, nichchromium material because of its high temperature strength, strong plasticity. Widely used in industrial furnace, household appliances, far infrared device. Nichchromium and iron, aluminum, silicon, carbon, sulfur and other elements can be made into alloy nickel-chromium wire has high resistivity and heat resistance. It is the electric heating element of electric furnace, electric soldering iron, electric iron, etc. But many people are not very familiar with the material and the use of nichcr alloy wire. The following Xiaobian will give you a brief introduction to the use of nichcr alloy wire. I hope this introduction can provide you with some help.

As a kind of precision resistance alloy, the compensation wire is a pair of conductors with insulating layer with the same nominal value of the thermoelectric motive force of the matched thermocouple in a certain temperature range. By connecting the thermocouple with the measuring device, the error caused by the temperature change of the connection with the thermocouple can be compensated. It is connected with the free end of the S-type thermocouple, the welding of the two thermal electrodes of the thermocouple must be strong; The two thermal electrodes should be well insulated from each other to prevent short circuit; Non-standardized thermocouple in the range of use or order of magnitude are less than standardized thermocouple, generally there is no unified indexing table, mainly used for some special occasions measurement. Secondly, in the use of thermocouple temperature measurement, if you want to directly apply the thermocouple index table, it must *** meet the conditions of t0=0℃. So, not only is it not 0℃, but it's also not constant, because t0 is going to introduce an error.