| COMPARISON THERMOCOUPLES VS. RTDS VS. IC SENSORS |
|---|
| |
THERMOCOUPLES |
RTDS |
IC SENSORS |
| ACCURACY |
Limits of error wider than RTD or IC Sensor |
Better accuracy than thermocouple |
Best Accuracy |
| RUGGEDNESS |
Excellent |
Sensitive to strain and shock |
Sensitive to Shock |
| TEMPERATURE |
-400 to 4200° F |
-200 to 1475° F |
-70 to 300° F |
| DRIFT |
Higher than RTD |
Lower than TC |
|
| LINEARITY |
Very non-linear |
Slightly non-linear |
Very Linear |
| CJC |
Required |
No |
No |
| RESPONSE |
Fast dependent on size |
Slow due to thermal mass |
Faster than RTD |
| COST |
Rather inexpensive unless Noble metal. Noble metal tc's very expensive |
More Expensive |
Low Cost |
Return to Industrial Temperature Primer
| |
