How to distinguish the platinum-rhodium thermocouple is negative _ instrument
by:JVTIA
2020-10-29
There are three kinds of platinum-rhodium thermocouple, there S type thermocouple respectively, R type thermocouple, thermocouple type B.
1, with the hand touch, more hard is positive, soft is negative.
2, the positive than negative is slightly a little bit heavy.
3, use a multimeter to measure thermocouple millivolt values, display a positive number is corresponding to the multimeter plus or minus, and vice versa.
Custom message
Related Products