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Monday, January 09, 2017

Comparison of Thermocouple and RTD

message: what is the pros and cons of rtd,over thermocouple

Mail from MU

Read the pages in links below, that ought to clarify your doubts. Last edited February 16, 2007

Comparison of Thermocouple and RTD

Comparison of Thermistors, Thermocouples and RTD's ... Unlike RTD's and thermistors thermocouples have plus and minus legs so polarity must be observed.
Comparision of Thermistors, Thermocouples and RTD's

Thermocouple - No resistance lead wire problems, Fastest response;  RTD - Most stable, accurate, Contamination resistant,; Thermistor - High output, fast, Point temperature sensing.
Watlow - Temperature Sensor Comparison Guide

Since thermocouples measure wide temperature ranges and are relatively rugged, they are very often used industrial and process applications where accuracy may be a less important factor.
RTD vs. Thermocouple comparison chart


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