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How to deal with the situation that the screw shows low temperature?

Click: 1059Date: 2014-8-29 9:48:37
Q1: How to deal with the situation that the screw shows low temperature?
A1: There are two reasons that will cause this situation.
 (1) There are problems with thermocouple or platinum resistance, Or, poor contact with the temperature measurement points.

Solution: Replace the thermocouple, clean the thermometer hole to ensure good contacts with the contact point.


 (2) The thermocouple control line is too long, signal wire is interfered by bad shielding, or there are  temperature controller faults.
   Solution: Repair and improvement. To Calibrate temperature controller by mercury-in-glass thermometer, then correct it step by step.
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