7.8 NCV (Non Contact Voltage) Test
Turn the rotary switch to the NCV position and place the top of the meter close to the conductor. If the
meter detects the AC voltage meter, the corresponding signal strength indicator will light according to the
detected signal level (low-yellow, high-red), and the buzzer will send out alarms at different frequencies.
Notes:
● Even if there is no indication that voltage may still exist, do not rely on non-contact voltage
sensors to determine if there is a voltage detection operation on the conductor, which may be
affected by factors such as socket depth, insulation thickness and type, etc.
● Interference sources in the external environment, such as flashlights, motors, etc., may
accidentally trigger non- contact voltage detection.
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Mastering the Art of Measurement (DM501D Digital Multimeter) r.01 www.plusivo.com
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