7351 Series Digital Multimeter Operation Manual
8.4 Replacing Parts with Limited Life
8-11
8.4 Replacing Parts with Limited Life
Parts with limited life used in this instrument are listed in the following table.
Contact an ADC CORPORATION sales representative to replace any parts, referring to the limited lives
listed in the following table.
Note that the life span may be shorter than that described depending on the operating environment, frequency
of use, and storage environment.
MEMO: The table shows the life spans of parts and the number of times parts can be used before requiring replace-
ment, but they are not guaranteed.
Table 8-2 Parts with Limited Life
Name Expected lifespan
Relays for switching functions and ranges 1,000,000 operations
Panel keys 500,000 operations
Fluorescent display tube 20,000 hours
USB connector 1,500 operations
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