Multi-purpose motor train unit component resistance value measuring device based on digital display meter

The utility model provides a multi-purpose motor train unit component resistance value measuring device based on a digital display meter, and the device comprises a housing which is used for bearing; the rotary gear selection switch is used for switching the outer door inner and outer rubber strip measurement loop and the terminal strip pin resistance value and electromagnetic valve coil resistance value measurement loop; the outer door rubber strip resistance measuring circuit is used for testing performance parameters of the outer door rubber strip to be tested; the terminal strip pin resistance value measuring circuit is used for testing performance parameters of the terminal strip pins to be tested; the electromagnetic valve coil resistance measuring circuit is used for testing performance parameters of the electromagnetic valve coil to be tested; and the power supply loop is used for providing a power supply and initializing the measurement loop. According to the utility model, the resistance measurement