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Classification of thermometers
Date：2020-11-03 15:43:12 |Read:2308
With the development of science and technology and the need of modern industrial technology, the temperature measurement technology of thermometers has been improved and improved. Because of the wide range of temperature measurement, according to different requirements, different temperature measuring instruments are manufactured. Here are several.
Gas thermometer
Hydrogen or helium is used as the temperature measuring material. Because the liquefaction temperature of hydrogen and helium is very low and close to excellent zero degree, the temperature measurement range is very wide. This thermometer is very high, and it is mostly used for precise measurement.
Resistance thermometer
The temperature of the temperature is the main factor of the temperature change of the resistance. Metal thermometers are mainly used for platinum, gold, copper, nickel and other pure metals, rhodium iron, phosphorus bronze alloy; semiconductor thermometers mainly use carbon, germanium, etc. Resistance thermometer is easy to use and reliable, and has been widely used. The measurement range is from -260 ℃ to 600 ℃.
Far infrared thermometer
ST60 annular laser aiming, 0.1 ℃ display, the emissivity of the thermometer can be adjusted, high / low temperature alarm, data re adjustment, * big value, * small value, difference value and average value display, d:s=30:1, 12 measurement points data are stored. SM series temperature unit conversion, data maintenance display function, automatic shutdown function, backlight display selection function, laser target display selection function, average value and temperature difference measurement function, * large and small value measurement function, measurement data storage function (power off memory), response time and response value long, repeatability.
Gas thermometer
Hydrogen or helium is used as the temperature measuring material. Because the liquefaction temperature of hydrogen and helium is very low and close to excellent zero degree, the temperature measurement range is very wide. This thermometer is very high, and it is mostly used for precise measurement.
Resistance thermometer
The temperature of the temperature is the main factor of the temperature change of the resistance. Metal thermometers are mainly used for platinum, gold, copper, nickel and other pure metals, rhodium iron, phosphorus bronze alloy; semiconductor thermometers mainly use carbon, germanium, etc. Resistance thermometer is easy to use and reliable, and has been widely used. The measurement range is from -260 ℃ to 600 ℃.
Far infrared thermometer
ST60 annular laser aiming, 0.1 ℃ display, the emissivity of the thermometer can be adjusted, high / low temperature alarm, data re adjustment, * big value, * small value, difference value and average value display, d:s=30:1, 12 measurement points data are stored. SM series temperature unit conversion, data maintenance display function, automatic shutdown function, backlight display selection function, laser target display selection function, average value and temperature difference measurement function, * large and small value measurement function, measurement data storage function (power off memory), response time and response value long, repeatability.
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