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Calibration Manual
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Calibrating Thermocouple CJC:
Connect the UUT as shown in Figure 35. For the lag bath setup, see Figure 36.
aal11f.eps
Figure 35. Thermocouple CJC Calibration Connections
The calibration of the TC CJC (Cold Junction Compensation) is a critical part of the
calibration process, it is important that the thermocouple junction be allowed to
completely stabilize. Usually this takes a minimum of five minutes.
After the proper connections have been made, type “12” then press the Enter key on the
PC keyboard. Use a lag bath to source a stable temperature the 726. Enter the value of the
temperature and the main calibration menu will reappear. The temperature scale used is
ITS-90.
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