Industrial thermometer common thermometer

Common in industrial thermometer thermometer with the development of the society, our world is more and more diversified, thermometer, too, different places need different different thermometer, such as industrial thermometer has a lot of kinds, application fields are also different, these a few several simple industrial thermometer. 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. Most of the digital thermometer is the temperature sensor using temperature sensitive element ( Such as platinum resistance, thermocouple, semiconductor, thermistor, etc. ) , will change with the temperature change and physical parameters, such as inflation, resistor, capacitor, thermoelectric emfs and magnetic, frequency, optical properties, such as through the change of temperature sensors into electrical signals, such as the change of the voltage and current, the temperature change and the change of the electrical signal has a certain relationship, such as linear, curve relationship, etc. Pressure type thermometer thermometer is according to the material inside the closed system 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. 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. Bimetallic thermometer with 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. These a few industrial thermometer is very commonly used? Hope in the life can give you the greatest help!