8-19
IM AQ7280-01EN
Troubleshooting, Maintenance, and Inspection
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Index
8.11 Recommended Part Replacement
YOKOGAWA guarantees the AQ7280 for the period and under the conditions of the product warranty.
Under the conditions of the warranty, the following parts with limited service life and consumable parts
are excluded. For part replacement and purchase, contact your nearest YOKOGAWA dealer.
Parts with Limited Service Life
Part Name
Service Life
Notes
Battery pack
300 charges
The actual service life varies depending on the
operating environment.
Consumable Parts
We recommend replacing them at the following intervals.
Part Name
Recommended Replacement Interval*
Notes
Backup battery (lithium battery)
5 years
Replacement at our factory
LCD
Approx. 50000 hours
Replacement at our factory
Ferrule
1 year
Replacement at our factory
Universal adapter
1 year
New purchase
Connector adapter
1 year
New purchase
DC power supply connector
5000 times
Replacement at our factory
USB port
1500 times
Replacement at our factory
RJ-45 connector
200 times
Replacement at our factory
SD connector
1500 times
Replacement at our factory
* The recommended replacement period varies greatly depending on the operating environment and frequency
of use. The values in the above table are guidelines.