In testing AC voltage, the tester can automatically detect the live or null wire. Distinguish the live and null wire through different frequency alarm sound. The higher the voltage, the higher the audible alarm frequency and rate of flashing lights. When Null Wire Testing a buzzer will give a slow alarm when the end of the tester is close to the object being tested. The red indicator light flashes slowly and the LCD shows green. It Indicates that the tested line is a Null Wire. When Live Wire Testing a buzzer will give a quick warning when the end of the tester is close to the object being measured. The red indicator light flashes quickly and the LCD shows red. This indicates that the line being tested is a live line. When no button on the tester is pressed and no voltage is sensored for approx. 3 minutes, it will auto-off to save energy, while the length and width of the tester make it easy to carry around.
Length: 6.25"
Packaging type: Printed Box
Low Sensitivity Mode: 12V - 48V AC: No Beep, Green Screen. 48V - 1000 V AC: High-frequency beep, The red tip illuminates continuously, red screen.
High Sensitivity Mode: 12V - 48V AC: Low-frequency beep, The red tip illuminates continuously. 48V - 1000 V AC: High-frequency beep, The red tip illuminates continuously, red screen.
LCD High-definition display
Live/Null Line identification
Adjustable sensitivity
Portable pencil hook
Safety factor certification
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