Leakage Current IEC 60112 Tracking Index Test Apparatus Product Overview The intelligent tracking resistance tester, developed by GOLD, is an advanced testing device for determining the PTI (Positive Tracking Index) and CTI (Comparative Tracking Index) of solid insulating materials. This apparatus applies alternating voltage between standard platinum electrodes while dripping ammonium chloride-contaminated electrolyte at specified intervals and heights, simulating tracking
