VM-7 System Manual
Chapter 3 Maintenance/Inspection
32
Chapter 3 Maintenance/Inspection
3.1 Regular inspection
To ensure the performance and stability of the unit, it is recommended to check the unit once a
year.
For the calibration procedure, refer to the Service Manual.
3.2 Service life of the unit
It is recommended to replace the unit after ten years of use at an ambient temperature (approx.
25
°
C) even if there are no apparent defects. The use of the unit under a higher temperature
conditions shortens the service life of the unit.
Point
The service life of the unit also becomes shortened depending on the
surrounding conditions of the unit. Ten years as a rough guide, it is
preferable to replace the unit at an earlier stage so that the stability of the
unit can be ensured.
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