RTD v/s Thermocouple

Parameter/Criteria Thermocouple RTD
Typical Measurement Range -267 ’C To +2316 ‘C -240 ‘C To +649 ‘C
Interchangeability Good Excellent
Long-term Stability Poor to Fair Excellent
Accuracy Medium High
Repeatability Poor to Fair Excellent
Sensitivity (Output) Low Good
Response Medium to Fast Good
Linearity Fair Good
Self-Heating No Low
Tip (end) Sensitivity Excellent Fair
Lead Effect High Medium
Size/Packaging Small to Large Medium to Small