Hioki FT3424, Instruction Manual, Page: 151 / 166

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5
Maintenance and Service
5.1 Repair, Inspection, and Cleaning
Calibrations
IMPORTANT
Periodic calibration is necessary in order to ensure that the
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accuracy.
The calibration interval for the instrument is 2 years. It is
recommended to calibrate it every 2 years for accurate measurement.
Backing up the data
The instrument may be initialized (returned to the factory default
settings) when it is repaired or calibrated.
Before you ask for repair or calibration, it is recommended to back
up (save or record) the measurement conditions and measured
data.
Cleaning
‡
To clean the instrument, wipe it gently with a soft cloth moistened
with water or mild detergent.
‡
Wipe the illuminance sensor and the LCD 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.
Disposal
Handle and dispose of the instrument in accordance with local regulations.
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