YOKOGAWA AQ7280 User Manual

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.

YOKOGAWA AQ7280 Specifications

General

Brand	YOKOGAWA
Model	AQ7280
Category	Measuring Instruments
Language	English