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New CT100 Circuit Tester offers advanced, reliable electrical diagnosis

TOPDON USA’s tester measures DC volts from 3.3V to 65V, allowing it to quickly identify weak connections, voltage drops, and wiring faults

Rockaway, N.J.—TOPDON USA has released the CT100 Circuit Tester,  a versatile electrical testing tool for diagnosing circuits across cars, trucks, and motorcycles., featuring a clear digital voltage display with built-in load testing.

“What sets the CT100 Circuit Tester apart is its load testing capability. Our team engineered it to measure DC volts from 3.3V to 65V, allowing it to quickly identify weak connections, voltage drops, and wiring faults. With the CT100, you can go from ‘I don’t know’ to ‘I can fix it’ in no time.,” said Chad Schnitz, Vice President of TOPDON USA. 

The TOPDON CT100 features a real-time digital display that offers ±0.1V accuracy from 3.3–60V and ±0.2V from 60–65V. Its dual-color backlighting clearly identifies positive and negative polarity to help prevent reverse connections. Additional audio and visual alerts provide immediate feedback for high voltage, overheating, and reverse polarity, with an additional tone to confirm circuit continuity and avoid having to constantly monitor the screen. The TOPDON CT100 has a standard 4mm banana jack that allows quick switching between clips and features a durable, heavy-duty alligator clip that offers consistent performance during repeated use.

The TOPDON CT100 Circuit Tester comes with a 12.5-foot cable for greater reach when working around vehicles and a convenient carrying bag.

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