Description
TopDiag • Automotive circuit system tester P200
The TopDiag P200 is a professional all-in-one circuit diagnostic tool designed for vehicle repair workshops and technicians. Operating on the upgraded V5.0 system, it supports testing of 9- to 30-volt automotive electrical systems, integrating multimeter, oscilloscope, component activation, battery diagnostics, polarity and breakpoint detection in one handheld device. Constructed with a sturdy ABS housing and including heated‐resistant components suitable for harsh environments, it significantly accelerates diagnosis of electrical faults in 12V/24V vehicle systems.
Key benefits
- Automatic voltage and resistance detection simplifies preliminary checks.
- Multimeter includes voltage, resistance, continuity, diode, current (up to 18A), and frequency measurements for detailed diagnostics.
- Oscilloscope mode captures waveforms to analyze signal integrity and intermittent issues.
- Component activation test (relays, injectors, lights), plus 0-5V power output to simulate sensor signals.
- Integrated intelligent circuit breaker with adjustable overload protection protects both device and vehicle circuits.
Supported functions
Depending on vehicle compatibility the following functions are supported:
- Smart test: automatic detection of voltage or resistance
- Multimeter mode: voltage, resistance, diode, continuity, current, frequency
- Oscilloscope mode: waveform capture for signal diagnostics
- Relay and injector testing to verify electrical components
- 0-5V adjustable power supply for testing circuits or sensors
- Positive/negative polarity detection
- Breakpoint detection for locating open circuits or wiring faults
Included items
- 1 × TopDiag P200 main unit
- 1 × solid copper test probe tip
- 1 × extension connection line
- 1 × set of battery clamps (red & black)
- 1 × relay test line
- 1 × probe adapter
- 1 × 25A fuse
- 1 × storage case
- 1 × user manual
Supported languages
English, Swedish, German, Dutch, Vietnamese, Polish, Turkish, Spanish, Portuguese, Italian, French, Filipino, Finnish, Indonesian, Malaysian, Greek, Russian, Japanese, Arabic, Thai, Lao, Cambodian, Korean










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