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<> type leak detector This leak detector based on the electric spark principle is particularly suitable for the detection of light steel roofs. As long as there is a conductor capable of conducting electricity or water (water is also a good conductor) underneath the waterproofing membrane, this leak detector is an ideal instrument for detection. The leak detector is suitable for leakage points such as pinholes, pores, and weld gaps in waterproof membranes such as C and B modified asphalt waterproof membranes or waterproof coatings. The thickness of the detected material is between microns (.). When testing, select an appropriate voltage. If there is a leakage point, the high-voltage electricity will break down the leakage point and short-circuit the conductor under the membrane to produce sparks and sounds. The insulation cotton (moistened by water) and fixed iron nails under the light steel roofing coil are good conductors. This detector is particularly suitable for testing during the construction process. Technical specifications: Detection thickness: .. Output voltage: DC, adjustable continuous current: < (maximum continuous current) Sensitivity, adjustable Operating time: approximately one hour of continuous use per charge Host weight: . kg (including shoulder bag and battery ) Host size: width, height and depth. Features: . New ultra-light design, lightweight and easy to carry. Sound and light alarm function, the buzzer will sound when a pinhole appears, and the display screen will display the real-time voltage value. Membrane touch button control panel, menu operation, easy to use. . The detection voltage can be automatically preset according to the material or coating thickness. The output voltage can be accurately limited to avoid material penetration, which is a non-destructive test