THERMOCOUPLE DETECTORS
Thermocouple Detectors
Resistance thermometers are used in places where precise temperature measurement is demanded in industries. It is based on change of electrical resistance of conductor based on temperature. As a conductor, resistance detector which is wrapped by thin platinum or nickel wire which is isolated in enamel, glass or ceramic. Detector gives 100 ohm resistance output at 0 ºC. Temperature is determined by measuring the increasing or decreasing values of resistance dependent on temperature. Copper, silver or nickel-chromium connection wires are added to two sides of resistance detector. Can be used from -200ºC to +850 ºC. Evaluated in automation system by taking analogous output information with pt100 sensors appropriate for EN60751.
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