70
DMP30 / DMP40
Calibration
• s: Standard deviation, determined from the measurements taken; red
values are outside the tolerance limits
• n: Number of measurements taken
6. Start the check: OK
7. An information page displays the following result:
Calibration is OK
The mean value of the control measurement matches the nominal value
(= reference value) of the used calibration standard (calibration foil) within the
measurement uncertainty (in accordance with ISO/IEC Guide 98-3). This means
that the difference between the mean value and the nominal value cannot be
distinguished from the specified measurement uncertainty of the calibration
standard. The measurement accuracy for the open batch is OK for the calibra-
tion standard used and cannot be further improved by this calibration standard.
Calibration is NOT OK
The measured mean value of the control measurement has an excessive devi-
ation from the nominal value of the calibration standard (calibration foil). First,
perform a recalibration. Be sure to use standard values appropriate for the
selected calibration method.
The data sheet of the probe provides the values available and suitable
for the calibration standard(s).
Also refer to the note on "Precision" on page 68.
8. Finish the check: OK
9. Did you deactivate the lock function in step 2.?
• Yes: Reactivate the lock function, 72.
Function is activated:
• No: Continue with step 10.
10. Exit the calibration menu: , the calibration check has finished.
Tips
If the calibration check fails even after recalibration, perform a new recali-
bration only with calibration step Zero, skipping the other calibration steps via
.
Reset the calibration using the Reset function, 65
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