12
VT8-600_1000-en-US_AA 10/18
5.9 Non-Contact AC Voltage Detector
WARNING: It is possible for voltage to be present in a circuit even if the meter does not
beep or flash the NCV LED lamp. Always verify meter operation on a known live AC current
circuit and verify that the batteries are fresh before use.
When the meter senses an AC Voltage or electromagnetic field > 100VAC, the following occurs:
The meter produces audible tones (beeps)
The LED lamp flashes ON and OFF
The display shows 1, 2, 3, or 4 dashes
The greater the electrical field strength, the faster the rate of the
audible tones, the flashing of the LED lamp, and the number of dashes
displayed. If the meter does not emit a tone or flash the LED, there is
still the possibility that voltage is present; please use caution.
1.
Turn the function switch to the
position to select Non-Contact
Voltage Detect mode.
2.
Note that EF is displayed when in this mode. If the EF does not
display when the function switch is turned to the NCV position,
check the batteries and do not use the meter until EF is displayed.
3.
To test, place the meter near a source of electrical energy. Note
that the tip of the meter offers the highest sensitivity.
4.
Note the audible beeping, the flashing LED, and the displayed
dashes when a source of electrical energy is detected.
Fig 5-3 NON-CONTACT VOLTAGE DETECTOR