Mitech CO.,LTD.
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MTH-7D digital DC spark leak detector,based on the principle of high pressure pulse conducting through anti-corrosion layer,can quickly detect the crack leakage of the coating. While using, if there is pinhole,bubble and crackle in the layer ,the instrument will make a bright spark and accompanied by a warning tone.The operation is extremely simple,and It’s powered by the unique design relies on the large capacity battery packs that no longer rely on 220V power supply.It is suitable for engineering site operations. The performance of the product is stable and reliable, thus widely used in Oil and Gas pipelines,Cable,Enamel,Metal Casting Pipe,Hull and other metal surface corrosion insulation construction quality and aging corrosion monitoring,it is also the necessary testing equipment in chemical, oil, rubber industry.
A certain pulse voltage is applied by applying a Anti-corrosive coating to the conductor, if the coating is too thin or there is some metal leakage body,leaky pinhole,pulse high voltage, it will break through the air gap to discharge spark,at the same time ,the alarm will receive the pulse signal,and send out sound and light alarm,and then achieve the purpose of coating detection.