25
4.12
Non-contact Voltage Detection
（
NCV
）
Turn rotary switch to "
", the meter displays
EF. When the NCV sensing area of the meter is close
to the measured cable, the charged cable can be
judged by the buzzer sound and the LED indicator
on the panel.
Note:
The detection operation might be affected by
various factors such as the socket design and
insulation thickness types are different and so on.
Even there is no alarm indication, the voltage
might still exist. Do not judge if there exist
voltage or not in the cable relying on non-contact
voltage detector.
