GAOTek Handheld Partial Discharge Tester

This handheld discharge tester has a built-in 12V lithium battery, a temperature range of 14–185 °F, and a built-in ultrasonic and TEV sensor.




  • No need to contact with live part of switchgear, safe and fast test
  • No need power off during the test process, no need HV test power supply
  • Effectively identify switchgear even under one test, and build its status database
  • With ultrasonic test function, also can be used for partial discharge test of SF6 ring main unit and cables
  • Built-in ultrasonic and TEV sensor
  • Embedded with intelligent operating system, easy to use


Technical Specification

Band Width 3 MHz to 70 MHz
Accuracy ±1 dB
Range 0 dB to 60 dB
Display LCD touch screen
Battery usage display Graphic indication of battery in the upper right corner of the LCD screen
Power Supply 12 V built-in 2000 mAh Lithium battery
Operating Temperature 14 °F to 18°F (-1°C to 85 °C)
Dimension 9.06 in × 4.53 in × 3.74 in (230 mm × 115 mm × 95 mm)
Weight 1.68 lb (760 g)



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