Holiday Detector

               Holiday Detector is one of special NDT inspection Instruments.  Some customers name them as  a porosity detector, pinhole tester, spark tester, jeep tester or jeeper. Holiday detectors are used in the NDT inspection and location of pinholes, holidays, bare spots or thin points in protective coatings applied for corrosion protection over metal or concrete (conductive) surfaces. Holiday detectors are good for production pipeline coating operations, tank work and structures. The testing is usually performed on tank interiors, chemical storage vessels and buried structures because of the importance of maintaining adequate coating protection in aggressive service environments. Rok International Industry offers different type of NDT instruments including hardness tester, roughness testers. 


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