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App
Index
17.6 Recommended Replacement Parts and
Maintenance
Recommended Replacement Parts
The one-year warranty applies only to the main unit of the instrument (starting from
the day of delivery) and does not cover any other items nor expendable items (items
which wear out). The replacement period for expendable items varies depending on the
conditions of use. Refer to the table below as a general guideline. Contact your nearest
YOKOGAWA dealer to have parts replaced.
Parts Name
Recommended Replacement Period
Cooling fan
3 years
Backup battery (lithium battery)
5 years
VFD
3 years
Calibration
We recommend that you calibrate the GS820 once a year to assure its measurement
accuracy. Contact your nearest YOKOGAWA dealer to have your GS820 calibrated.
17-11
IM 765601-01E
Troubleshooting and Maintenance