Practical applications of thermal resistance and main characteristics

Thermal resistance is widely used in industrial temperature measurement work, and even be made into a standard benchmark instrument. Combined with its temperature range to the analysis, its application range is limited by a certain. In fact, the thermal resistance temperature measurement principle is based on a conductor or semiconductor resistance changes with the change in temperature.

in fact, the thermal resistance itself has many advantages. Thus can play different role in practical application, it can remote transmission signal, and has a high sensitivity, strong stability, compatibility and accuracy are very good advantage. But you need to power supply, instantaneous temperature will not be able to change.

from the aspects of application to the analysis, the thermal resistance of main advantage is that it does not need to use the compensation wire, and the price is cheaper. And the installation of the platinic resistance form a lot, have a fixed screw to install, thread installation, fixed flange installation, flange installation, pipe installation, straight pipe connector installation, etc.

normally, heat resistance is mainly used for measuring temperature, the temperature range of measurement is about - From 200 to 800 ℃, and thermocouple temperature sensor in measuring high temperature, general measuring temperature at 400 ~ 1800 ℃. So we can according to the measured temperature when trying to choose the consideration.

compared with thermocouple, heat resistance has the following characteristics:

in the same temperature conditions, the thermal resistance of the output signal is bigger, so it will be easier to measure; But in measuring resistance must use plus the supply; Thermal resistance thermal parts size is larger, and thermocouple working side is a small solder joints, thus the first temperature reaction speed is slower than the latter; Thermal resistance than thermocouple temperature measurement of similar material, high ceiling.