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The double-electrode method, also called the water gun method or dipole method in the industry, is a geomembrane integrity testing method explicitly included in "Technical Specification for Leakage Damage Detection of Impermeable Geomembrane in Municipal Solid Waste Landfills CJJ/T 214-2016". The double-electrode leak detector configured by Jiangsu Fengyuan Testing can precisely locate damage points under conditions with water on the membrane, geotextile, or thin cover layers, making up for the shortcoming of spark leak detection that can only test bare membranes.
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Jiangsu Fengyuan Testing Technology Co., Ltd. provides scientific, fair and precise engineering testing services