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6
Maintenance and Service
6.1 Repair, Inspection, and Cleaning
DANGER
Customers are not allowed to modify, disassemble, or
repair the instrument.
Doing so may cause fi re, electric shock, or injury.
Calibrations
IMPORTANT
Periodic calibration is necessary in order to ensure that the
instrument provides correct measurement results of the specifi ed
accuracy.
The calibration frequency varies depending on the status of the
instrument or installation environment. We recommend that the
calibration frequency is determined in accordance with the status of
the instrument or installation environment and that you request that
calibration be performed periodically.
Cleaning
• To clean the instrument, wipe it gently with a soft cloth moistened
with water or mild detergent.
• Wipe the display gently with a soft, dry cloth.
IMPORTANT
Never use solvents such as benzene, alcohol, acetone, ether,
ketones, thinners or gasoline, as they can deform and discolor the
case.
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