-14-
Clamp live wire and null line at the same time, leakage
current could be detected.(note: total 2 wires)
Clamp the earth wire, the leakage current could be
measured(note: single wire)
Clamp the main line, total current amount could be
measured. (note: single wire)
Where its numeral reading is not easily accessible,
use high voltage detector to examine the current on
low voltage wire.
5. Transformation Ratio measurement
【
Primary current
】
: The current collected with
high voltage current pliers is mutual inductor’s first
current
【
Secondary current
】
: The current collected with
low voltage current pliers is mutual inductor’s
secondary current.
【
Ration based on secondary current 5A
】
: The
