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Compare the temperature transducers RTD, thermistors and thermocouples on the basis of principle, characteristics, ranges and
applications.
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written 3.5 years ago by
teamques10
★ 68k
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| Parameters | Thermocouple | RTD | Thermistor |
|---|---|---|---|
| Cost | Low | High | Low |
| Measurement Range | Very wide |
-350oF +3200oF | Wide -400oF +1200oF | Short to medium -100oF +500oF | | Interchange ability | Good | Excellent | Poor to fair | | Long-term Stability | Poor to fair | Good | Poor | | Accuracy | Medium | High | Medium | | Repeatability | Poor to fair | Excellent | Fair to good | | Sensitivity (output) | Low | Medium | Very high | | Response | Medium to fast | Medium | Medium to fast | | Linearity | Fair | Good | Poor | | Self Heating | No | Very low to low | High | | Point (end) Sensitive | Excellent | Fair | Good | | Lead Effect | High | Medium | Low | | Size/Packaging | Small to large | Medium to small | Small to medium | | Applications | Steel industry, thermoelectric cooling | Surface mount sensors and Immersion sensor | Current limiting device, degaussing coil |
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