14.3 Inspection and Repair
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14
Replaceable Parts and Operating Lifetimes
Properties of some parts used in the instrument may deteriorate after a long-term use.
The regular replacement of those parts is recommended to use the instrument properly for
a long time.
For the replacement of the parts, please contact your authorized Hioki distributor or
reseller.
The useful lives of the parts depend on the operating environment and frequency of use.
Operation cannot necessarily be guaranteed for the following recommended replacement
period of each part.
14.3 Inspection and Repair
Do not attempt to modify, disassemble or repair the instrument; as fire,
electric shock and injury could result.
Parts Name
Recommended
Replacement Period
Note and Condition
Electrolytic Capacitors Approx. 10 years A PCB on which a part concerned
is mounted must be replaced.
Backlight of LCD
(Half-life of Brightness)
Approx. 50,000 hours
Battery for Memory Backup Approx. 10 years When turning on the instrument, if
the date or time is not substantial-
ly accurate, the battery should be
replaced.
Relay Approx. 50 million cycles
Relay
(Z3003 Multiplexer Unit)
Approx. 50 million cycles 4-wire
Approx. 5 million cycles 2-wire
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