The CT-6500 Series 2 is a stand-alone, microcomputer-driven EHV Circuit-Breaker Analyzer. It is inexpensive and easy to use. The CT-6500 is available in models with either 3 dry contacts (CT-6500-3); 6 dry-contacts (CT-6500-6); or 12 dry-contact inputs (CT-6500-12). The CT-6500 fully analyzes circuit-breaker performance: contact time, stroke, velocity, over-travel, and contact wipe. Contactmotion analysis includes: Open, Close, Open-Close, Close-Open, and Open-Close-Open. The CT-6500 timing window is selectable: 1-second, 10-second, or 20-second periods