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__________has the widest range of temperature measurement.(a) RTD(b) Mercury thermometer(c) Thermocouple(d) ThermistorI have been asked this question by my college director while I was bunking the class.The origin of the question is Essential Parameters for Telemedicine in chapter Telemedicine Technology of Biomedical Instrumentation

Answer»

Correct choice is (c) THERMOCOUPLE

To elaborate: Thermocouple has the widest range of temperature measurement from -184*C to +2300*C. RTD has a range of -200*C to +850*C. Thermistor has a range of 0*C to 100*C WHEREAS conventional mercury thermometers range is -37*C to +356*C.



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