product Characteristics 1 Instrument output current light weight 2 Two current output wider test range higher stability 3 It can calculate the transition resistance value and transition time value automatically 4 Has the perfect protection circuit the reliability is strong 5 5.7 "large LCD display easy to operate on site 6 With usb flash disk storage function you can store more data waveform 7 The keyboard and the one-key flying shuttle operate independently making the instrument operate more quickly and conveniently