Both direct and alternating
phase alternating current
Protective earth (ground)
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.
This equipment is not for measurements performed for CAT II, III, and IV.