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Direct current (DC)
Alternating current (AC)
Both
Three-phase alternating current
Protective earth (ground)
On (Supply)
Off (Supply)
Fuse
Caution！Refer to this manual before using the meter.
Caution, risk of electric shock
CAT IV
– Is for measurements performed at the source of the low-voltage
installation.
CAT III
– Is for measurements performed in the building installation.
CAT II
– Is for measurements performed on circuits directly connected to the low-
voltage installation.
CAT I
– Is for measurements performed on circuits not directly connected to Mains.
SAFETY SYMBOLS
direct
and
alternating
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