TOPDON CT100 Automotive Circuit Tester
Battery-free automotive circuit tester for fast electrical checks across 12V, 24V and 36V vehicle systems.
Key selling points
- Covers DC voltage measurement from 3.3V to 65V, suitable for common automotive electrical checks.
- Load testing capability from 5V to 30V up to 1.2A for quick circuit verification.
- High measuring accuracy: ±0.1V from 3.3V to 60V and ±0.2V from 60V to 65V.
- Red/green polarity indication helps identify positive and negative circuits quickly.
- No internal battery required, making it a low-maintenance bench or workshop tool.
- Includes probes, alligator clips and a long test cable for flexible workshop use.
Specifications
| Measurement range | DC 3.3V–65V |
| Load test range | 5V–30V, maximum 1.2A |
| Accuracy | ±0.1V at 3.3V–60V; ±0.2V at 60V–65V |
| Resolution | 0.1V |
| Operating temperature | -10°C to 50°C |
| Storage temperature | -20°C to 70°C |
| Cable length | Approx. 12.5 ft / 3.8 m |
| Included accessories | Probe tip, alligator clips, positive and negative probes, storage bag and user manual |
| Warranty noted by source | 2 years |