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Compare following temperature transducers with respect to their characteristics, measurement range, applications:RTD, Thermocouple and Thermistors
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written 4.6 years ago by
teamques10
★ 70k
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modified 4.3 years ago
by
phenjoisilab
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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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