The purpose of the thermometer magnet

Magnet thermometer thermometer, also known as surface magnet thermometer is to rely on the principle of the double metal heat bilges cold shrink principle of sensors to work, by contact spring or magnet at the bottom of the thermometer to measure the metal surface and reading. This type of double metal surface thermometer can range from - 40 c to 500 c, the precision can be in for some using occasions for accuracy is not high, can yet be regarded as a money and cheap thermometer of beauty. Instrument to tell you the magnet below the purpose of the thermometer: magnet thermometer is used in pipelines, chemical equipment, used to measure the surface temperature, special thermometer is pipes. Magnet thermometer have been widely used in machinery, metallurgy, energy and defense departments and so on. For example: heat treatment of castings, forgings, gas pipes, steam pipes, wall of the furnace and other metal surface temperature measurement.