64171, Rev. 10/May 2019
3M™ GMI™ PS200 PORTABLE GAS MONITOR
CALIBRATION
9-4
A. UPDATE: The monitor saves the calibration data in the memory and automatically updates the
calibration due date based on the option stored in the monitor set-up menu.
B. SAVE ONLY: The monitor saves the calibration data in the memory but does not update the
calibration due date.
C. ABANDON: The monitor neither stores the calibration data in the memory nor updates the
calibration due date.
9. Press and hold the R button to accept this option.
9.3. Calibration Validity
Calibration validity remains the responsibility of the user. Individual codes of practice may dictate
calibration intervals.
Regular calibration establishes a pattern of reliability and enables the calibration check period to be
modified in line with operational experience. As a guide, the higher the risk, the more frequently cal-
ibration should be checked.
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