Detects holidays, pinholes and other discontinuities using pulse DC • Lightweight, ergonomic design provides comfortable all-day use, reducing operator fatigue • Regulated pulse DC voltage output that won't change under load — ±5% voltage accuracy • Voltage calculator feature — choose one of 11 international standards, and input the coating thickness to automatically calculate the required test voltage • Extensive electrode options — choose from a wide range of rolling spring and flat wire brush electrodes or use electrodes from other manufacturers with optional adaptors — custom sizes available upon request • Long Form Certificate of Calibration included with each instrument Conforms to ASTM D4787/D5162/G62, ISO 29601, NACE SP0188/SP0274/SP0490, AS3894.1 | 
