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Transcript
21 TEMPERATURE measurement Thermometers: ï Change in dimensions â liquid thermometer ï Pressure change â gas thermometer ï Electromotive force â Thermocouple ï Electrical resistance â Thermistor ï Buoyancy â Galilean thermometer ï Electromagnetic radiation â Pyrometer, artery thermometer Since a thermometer measures its own temperature, it must come into thermal equilibrium with a system before its temperature can be measured.
