SDM3055 Series Digital Multimeter User Manual
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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.
Improper 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
61326-1:2021.