HOLIDAY / SPARK DETECTOR FOR ANTI-CORROSION COATINGS ON METAL Used for quick non-destructive inspection of porosity, pinholes and other faults in non-conductive coatings and linings on metal substrates Output voltage: AC Pulsed 0.6 ~ 30KV (adjustable) Thickness detection: 0.05 ~ 10mm Clear backlit LCD display of output voltage Battery powered by internal 12V rechargeable battery …



