Avoid circuit or wire exposure
Don't touch exposed contacts or components when the power
is on.
Don't operate without covers.
Don't operate the instrument with covers or panels removed.
Use proper fuse.
Use the specified fuse for the instrument.
Use proper overvoltage protection.
Make sure there is no overvoltage (like voltage caused by
thunder and lightning), otherwisethe operator may suffer anelectric
shock.
Antistatic protection.
Static electricity will cause damages to the instrument, so test
in antistatic areas as far as possible. Ground its inner and
outer conductors to release the static electricity temporarily
before connecting the cable to the instrument.
Keep good ventilation.
Poor ventilation will cause the rise of the instrument's
temperature. Keep good ventilation and check the vent and
fan regularly when using it.
Keep the surface of the instrument clean and dry.
Do not operate in wet or damp conditions.
Do not operate in flammable or explosive environment.
The disturbance test of all the models meets the limit
values of A in the standard of EN 61326-1:2013.
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