Electrically Operated Poly Detector is an electrical device used to determine the location of a gap or void or porosity in an anticorrosion coating or linings. The Detector has simple operation. The Detector has the feature that when the wire brush of the pinholes detector or holiday detector passes over these pinholes or porosity, sparks are produced and alarm sounded. The Detector has dimension of 130 X 88 X 220 mm and has weight of 2.2 kg. The Electrically Operated Poly Detector has detection range of 30 micron to 1mm or 0.5 mm to 10 mm thick.
