Bimetallic thermometer, pressure type thermometer, the principle of the electronic thermometer is introduced

Bimetallic thermometer, pressure type thermometer, electronic thermometer is introduced the principle of the thermometer we are familiar with, everyone will contact is the thermometer, it is a kind of thermometer, however, in our life and have a lot of thermometer! It is used in different equipment or areas, such as: household thermometer, food thermometer, pipe thermometer. 。 。 。 。 。 Is one of the most commonly used industrial thermometer, here are several of the most commonly used industrial thermometer: bimetallic thermometer bimetallic thermometer is a kind of measurement in the field of low temperature test instrument. Can be directly measured in the process of various production - 80℃- Liquid + 500 ℃ range steam and gas medium temperature. It is made of round shape into threaded heat dual metallic piece as temperature sensing element, and put it in a protective sleeve, one end fixed ( Fixed end) And the other end, The free end) Connection on a thin shaft, shaft end is equipped with a pointer. When the temperature changes, temperature sensing element of the free end immediately rotation, thus fine axis pointer to produce angular displacement, indicates that the change in temperature on the dial. Due to the temperature sensing element has a linear relation with temperature changes, so the location of the bimetallic thermometer pointer indicated is measured temperature value. Pressure type thermometer thermometer is based on closed system internal work material volume or pressure change with the temperature change and the principle of work. Instrument closed system composed of bulb, capillary and elastic element, wen bags as working medium, when measuring temperature, insert the bulb of the measured medium, affected by the medium temperature, temperature package internal working medium volume or pressure changes, the capillary pass this change to the elastic element ( Such as spring tube) , components elastic deformation, displacement of the free end, with the aid of transmission mechanism, drive the pointer indicates the temperature value on the dial. Electronic thermometer thermometer compared with traditional thermometer, digital tube display output temperature, has reading convenient, accurate temperature stability, high precision, wide measurement range, and the advantages of low energy consumption, very suitable for daily temperature measurement. A lot of industrial thermometer, such as temperature and pressure of body surface, heat resistance, glass rod thermometer, etc. , can according to need to choose the appropriate thermometer!