User manual

62
m) Non-contact alternating voltage detection (NCV)
This function should not be used to detect the absence of voltage in electrical systems. A 2-pin
contact measurement should always be performed for this.
The NCV function (non-contact voltage detection) contactlessly detects the presence of an AC voltage in electrical
conductors. The NCV sensor (K) is located on the front of the multimeter.
A potential alternating voltage is indicated acoustically and with 4 bars in the display. The beep sequence and the
number of bars increases with increasing voltage levels. When no voltage is detected, the display shows the abbrevia-
tion“EF”(for“electromagneticeld”).
- Disconnect all test leads from the multimeter. No test leads are required for this function.
- SwitchtheDMMonandselectthe“Ω”measurementmode.
- MovetheDMMtowardsaknownACvoltagesourcefrontrst.Alwaysperformthistestinordertoavoidincorrect
detection. The DMM starts to beep when there is an AC voltage present. The intensity of the beeps and the number
of bars displayed depends on the voltage level and/or the distance to the live conductors.
- Perform test on the intended wire, etc.
- Turn off the DMM after completing the test.
The highly sensitive NCV sensor may detect voltage when static electricity is present. This is normal and
is not a malfunction.