TOPDON CT100 Professional Automotive Circuit Tester with Load Test, LCD Display and Polarity Alerts

TOPDON CT100 Professional Automotive Circuit Tester with Load Test, LCD Display and Polarity Alerts

The TOPDON CT100 is a professional automotive circuit tester designed for fast, accurate electrical diagnostics. It identifies polarity, performs load tests, and provides clear audio and visual alerts for easy troubleshooting. Built with a rugged, oil-resistant cable and interchangeable probe and clip, it works on cars, trucks, RVs, and EVs with simple, reliable operation for both professionals and DIY users.

Features:

• Professional Load Test (DC 5-30V, 1.2A Max) for checking battery health, circuit load capacity, voltage drops, and weak connections
• Precision Voltage Testing with digital display measuring 3.3-65V DC and high accuracy up to ±0.1V for reliable diagnostics
• Polarity Protection & Anti-Reverse system with red/green backlight and ± indicators to prevent incorrect connections
• Safe Battery-Free Operation with built-in overvoltage, overheating, and component status protection
• Intuitive Status Light Indicators showing polarity, overvoltage (H), overheating (Hot), and error (ER1) alerts
• Easy Operation with 12.5-foot extended test lead and universal 4mm banana jack support for flexible testing
• Wide Vehicle Compatibility supporting 12V, 24V, and 36V systems for cars, trucks, RVs, and commercial vehicles

Warranty & Updates:

• 1 Year Warranty

Packing List:

• CT100 Circuit Tester
• 2mm Probe
• Alligator Clip
• Adapter
• Carrying Bag
• Quick User Guide