MTM-100 is a highly reliable and safe True RMS automotive multimeter. The meter adopts high resolution A/D converter and microcontroller data processing technology, with large digital display, full range overload protection and unique appearance design, making it a efficient and safe tool for vehicle maintenance and repairing. It can be used to meassure: AC/DC current and voltage, Resistance, Capacitance, Diode/Transistor, Circuit On/Off, Temperature/Frequency, Dwell angle 1-8CYL, RPM 2STR/4STR, Pulse width and 12V battery test, VFC Low-pass filtering, Maximum and minimum value/relative value etc.