Pinhole Detector
Product Description:

This detector detects the pinhole of a base material by applying DC high voltage to the sensing electrode and detecting discharge pulses generated by the difference of insulation resistance between grounding electrodes (mandrel, ground roll, etc.). The detected pulses are subject to waveform shaping and amplification before indication by the abnormality lamp and contact output. It can be applied widely; such as in detecting pinholes in plastic cups by using a small sensing electrode, or in wide films by using sensing electrodes installed in series.