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Inspection, Repair and Cleaning
12.2 Inspection, Repair and Cleaning
WARNING
Touching any of the high-voltage points inside the instrument is very dangerous.
Customers must not modify, disassemble, or repair the instrument. Doing so may
cause re, electric shock, or injury.
Calibrations
The calibration period varies depending on the status of the instrument or installation environment.
We recommend that the calibration period be determined in accordance with the status of the
instrument or installation environment. Please contact your Hioki distributor to have your instrument
periodically calibrated.
Replaceable parts and service life
The characteristics of some of the parts used in the product may deteriorate when used for a long
time. To ensure the product can be used over the long term, it is recommended to replace these
parts on a periodic basis.
When replacing parts, please contact your authorized Hioki distributor or reseller. The service life
of parts varies with the operating environment and frequency of use. Parts are not guaranteed to
operate throughout the recommended replacement cycle.
Part name
Recommended
replacement cycle
Remarks/conditions
Electrolytic capacitors Approx. 3 years The circuit board on which the corresponding part
is mounted will be replaced.
LCD backlight
(Brightness half-life)
Approx. 10 years When the backlight is used for 24/7 × 365 days
Fan motor Approx. 7 years When the backlight is used for 24/7 × 365 days
Relay Approx. 3 years When the range is switched 30 times/h
Cleaning
CAUTION
Clean the vents periodically to avoid blockage.
If a vent becomes clogged, the instrument’s internal cooling is impeded, and damage
may result
• To clean the instrument, wipe it gently with a soft cloth moistened with water or mild detergent.
• Wipe the LCD gently with a soft, dry cloth.
Disposal
Handle and dispose of the instrument in accordance with local regulations.
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