When the test pen does not receive any operation within 3 minutes and does not detect the AC voltage, it automatically turns off.
Acousto-optic discrimination of Live or Null Wire:
- Live Wire Testing:
Connect the sensing end of the test pen to the object to be tested. If the analog bar is within 6 grids, the slow rhythm buzzer will alarm and the display will be green and backlit.indicating that the test is a LIVE WIRE.
-- Null Wire testing:
Put the test pen test head close to the object to be tested, such as the analog bar, the fast-paced buzzer alarm, the display is bright red backlight, indicating that the tested line is Null Wire.
How to find a breakpoint
1. Connect one of the wires in the cable to the live wire, and connect the other wires to zero or ground to form a loop.
2. Turn on the test pencil and measure from the cable to the live line in the opposite direction.
3. When the normal cable is measured, the battery indicator lights up red and beeps. When the indicator light of the test pen goes out and there is no sound, this position is the breakpoint position.
This product has more comprehensive functions:
-Large Range Measuring
-For testing AC Voltage
-Recognition of Live/Null Wire
-Triple alarm of sound, light and screen
-Energy-saving and bright LCD screen
-High and Low Voltage Signal Indicator
-Buzzer alarm - loud and sensitive
-White LED lighting - - energy saving, convenient
-Auto power off
-Good Sensitivity of NCV Sensor
AC Voltage: 12V-1000V
Frequency: 50Hz / 60Hz
Alarm Mode: Sound and light alarm
Electric Torch: LED illumination
Low-voltage indicator lamp: Yes
Power Source: 2 x 1.5V AAA Batteries(not included)
Security Level: CE CAT. III 1000V / CAT. IV 600V
Service Temperature: 0-40℃
Storage Temperature: -10-50℃
Safety Compliance: CAT.III 1000V CAT.IV 600V；CE
1 * Non-contact Voltage Tester Compact Pen
1 * User Manual
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