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The MM-78B Dedicated Automotive Multimeter is a professional digital multimeter designed for motor vehicle diagnostics, automotive electrical testing, workshop service, and field maintenance applications. Built for automotive use, the MM-78B combines standard multimeter functions with vehicle-specific testing capability, including RPM, dwell angle, pulse width, duty cycle, temperature, frequency, capacitance, resistance, AC/DC voltage, and AC/DC current measurement. The 3999-count digital display, auto-ranging operation, data hold, min/max recording, audible continuity, and overload protection make it a practical diagnostic tool for automotive electronics and electrical fault finding.
- Dedicated automotive digital multimeter.
- 3999-count digital display.
- Auto-ranging AC/DC volts, ohms, frequency, and capacitance.
- AC/DC current measurement up to 20A.
- RPM and dwell angle measurement.
- Pulse width and duty cycle testing.
- Temperature probe support up to 1100°C.
- Data hold and min/max recording.
- Audible continuity and diode testing.
- Overload protection and auto power shut off.
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