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China Turnkey Electronics Products Oem Manufacturer
Apr 18, 2017

Industry industrial electronics temperature measurement instruments pcba motherboards assembly electronics contract manufacturing services OEM CEM EMS experience company—China Shenzhen Topscom

Temperature measurement describes the process of measuring a current local temperature for immediate or later evaluation. Datasets consisting of repeated standardized measurements can be used to assess temperature trends.
Many methods have been developed for measuring temperature. Most of these rely on measuring some physical property of a working material that varies with temperature. One of the most common devices for measuring temperature is the glass thermometer. This consists of a glass tube filled with mercury or some other liquid, which acts as the working fluid. Temperature increase causes the fluid to expand, so the temperature can be determined by measuring the volume of the fluid. Such thermometers are usually calibrated so that one can read the temperature simply by observing the level of the fluid in the thermometer. Another type of thermometer that is not really used much in practice, but is important from a theoretical standpoint, is the gas thermometer.

Other important devices for measuring temperature include:

Thermocouples
Thermistors
Resistance temperature detector (RTD)
Pyrometer
Langmuir probes (for electron temperature of a plasma)
Infrared
Other thermometers