FLV912 - CT100 Auto Circuit Tester with Load Test, LCD & Polarity Alerts

Description

• Features a professional load test function (DC 5–30V, 1.2A Max)
• Hold the button for 5 seconds to check battery and circuit load capacity, quickly identifying aging batteries, weak connections, and voltage drops for faster, more accurate repairs
• Equipped with a clear backlit digital display, the CT100 measures DC voltage from 3.3–65V with 0.1V resolution (±0.1V accuracy from 3.3–60V; ±0.2V from 60–65V)
• Delivers dependable performance for both professional technicians and serious DIY users
• Dual-colour backlighting (red for positive, green for negative) and on-screen ± indicators activate instantly when the probe contacts a circuit
• Intuitive feedback helps prevent reverse connections and protects sensitive vehicle electronics during testing
• Battery-free operation eliminates maintenance and downtime while improving safety during testing
• Integrated protections include overvoltage alerts, overheating warnings, and component status monitoring for dependable performance in daily automotive diagnostic work
• Colour-coded backlight indicators confirm polarity instantly, while additional alerts display overvoltage (“H”), overheating (“Hot”), and lamp abnormality (“ER1”) status—keeping key operating conditions visible at a glance during testing
• The 12.5-foot extra-long test cable improves access to hard-to-reach areas without repositioning the tester
• Universal 4mm banana jack connections support interchangeable probes and clips, enabling flexible testing across cars, trucks, RVs, and other vehicles
• With a 3.3–65V testing range, this versatile tester supports 12V, 24V, and 36V vehicle systems, making it ideal for cars, trucks, RVs, commercial vehicles, and more
• Perfect for checking fuses, verifying connector voltage, testing circuit integrity, tracing wiring issues, and diagnosing starting-related electrical faults

Additional Specifications

• Dimensions: 1.5" W x 6" L x 0.75" H
• Weight: 0.4 lbs.
• Includes: CT100 Circuit Tester; 2mm Probe; Alligator Clip; Adapter; Carrying Bag; Quick User Guide