Both direct and alternating
Three-phase alternating current
Protective earth (ground)
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.