Digital sensing non-contact electroscope


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This voltage of non-contact voltage test pen is 12-250 V, used for general home inspection electronic products, electronic leak, and polyline.  There is a bright LED at the tip of the pen that will emit light which can be used as a torch. In a dark place to work, you can easily perform the measurement line without using a flashlight.

The electric pen test checks the son and tells you what is the live wire and ground wire which allows you to check or test safely, quickly, and accurately.  You can use this non-contact voltage detector for detecting the voltage and control the food safety circuit breakers, lighting fixtures, switches, outlets, son and wherever you need it 


  • Measuring voltage: AC 90V to AC 1000V
  • Operating temperature: -10 to 50 ° C
  • Storage temperature: -10 to 50 ° C
  • Operating humidity: 80%
  • Pollution index: 2
  • Cleaning method: Wipe with a damp cloth
  • Operation power supply: No. 7 battery 2 sections (product does not contain the battery, need to be purchased separately)
  • Product weight: 40g


  • 1*Digital sensing non-contact electroscope


  • Tips: This item is not allowed to be shipped with the battery, so there is no battery for this product.
  • Keep it dry and clean.
  • Replace the battery when the LED light is not on; Take out the battery for a long time of no use.


1. Install the battery, press the switch in the middle. Green LED  lights, the tester is ready to work. Press the switch again, LED is on; press one more time, LED is off. Press for two seconds, tester sounds DD, then turn off. When no electric field signal is detected, the tester is with a green LED, it will automatically turn off in 5 minutes.

2. When detects voltage, the tester tip sounds with red LED; when the electric field becomes stronger, the tester is with a faster sound.

3. Detect radiation intensity of the electric field. When detects radiation, tester tip LED changes from green to red, and sounds

4. Breakpoint detect: two sides of the breakpoint have different radiation intensity, the difference can make the tester emit different frequency sounds. With an obvious sound difference, the user can find the breakpoint location. (Prerequisite: the line with breakpoint must be located on wireline, test along the surface of the line.)