Hioki LR8410-20, Instruction Manual

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13.1 Inspection, Repair, and Cleaning
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Replaceable Parts and Operating Lifetimes
Useful life depends on the operating environment and frequency of use.

Operation cannot be guaranteed beyond the following periods.
For replacement parts, contact your authorized Hioki distributor or reseller.
Maintenance and

Service
Chapter 13
13.1 Inspection, Repair, and Cleaning
Internal circuitry in the instrument and measurement units generates
high voltages and is extremely dangerous if touched. Do not attempt
to modify, disassemble, or repair these devices. Doing so may result
in fire, electric shock, or bodily injury.
Part
Recommended

replacement cycle
Remarks/conditions
Electrolytic Capacitors Approx. 10 years
The board on which the parts in question are
mounted should be replaced.
LCD backligh
(Brightness reduced by
half)
Approx. 5 years

(Approx. 50,000 hours)
Assuming continuous use 24 hours a day
Lithium battery Approx. 5 years
Replace if the time and date are significantly
off when the instrument is turned on. Contact
your authorized Hioki distributor or reseller.
Z1007 Battery Pack
Once the battery pack has been fully charged
from an empty state and then discharged 300
times, 70% of the initial battery capacity will
remain.
Electric double-layer

capacitors
Approx. 3 years
If the backup time for measurement data
becomes excessively short, it is time to
replace the electric double-layer capacitors.