... and frequency on motor drive; 12 kinds of measuring function, with VSD, diode, hFE, duty cycle, resistance, continuity, etc.Analog display ... , manual or auto range;Strong antimagnetic and anti-jamming performance. Full function protection, with anti high voltage circuit design;Large LCD display ... for motor drives,3 6/7 digital multimeter, digital multimeter with frequency,Max. display: 6000