Meco Instruments offers digital automotive multimeter model 6255. This is a multifunctional automotive tester which provides convenient operation and accurate readings to the user. This product is suitable for professional auto detection, production test and engineering design. It is an ideal portable automobile repair and maintenance tool. Features include: Terminal shutter interlock mechanism prevents wrong operations; 11 functions; Heavy duty rubber holster; Data hold, Auto power off; and Measurement of duty, ignition frequency, MS-Pulse width, RPM and dwell. Safety precautions: Do not measure voltage or current exceeding the rated voltage or current marked on the socket to avoid electric shock and instrument damage; Wear qualified eye guard to avoid splash due to engine when the meter is using in automobile repairing.