Appendix B: Maintenance And Cleaning - Extech Instruments MS420 User Manual

A B: M
PPENDIX AINTENANCE AND
M
AINTENANCE
Do not store or place this instrument where the liquid crystal display (LCD) may be
directly exposed to sunlight for extended periods
Warning: Do not allow the instrument to become wet
Cleaning
Inspect the instrument and the probe frequently in accordance with operating
conditions. Clean the outer surface of the instrument according to the following steps:
1. Wipe the outside of the instrument and the probe using a soft cloth. Use care when
cleaning the LCD display screen.
2. Use a slightly damp cloth and mild detergent when cleaning and only clean the
instrument when it is powered down. Do not use abrasive chemical detergents
Warning: Before use, please confirm that the instrument is dry so as to avoid
electrical short circuits and personal injury
S I
TORAGE OF NSTRUMENT
If the test tool is to be stored for an extended time, the lithium battery must be
charged before storage
C
LEANING
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