MCH-2893A Double display windows of frequency and impedance Internal voltage-controlled oscillator, Three working modes ModelMCH2893ATest ... Test portTwo ports 2Display LED display, frequency 4 digits, impedance 4 digits LED 4 4Test signal Test frequency Fixed frequency ... 100mA, 50mA, 10mA, 1mA, 0.1mACurrent precision +/-5%Impedance test range0.1Ω-20kΩPrecision+/-0.5% reading +/-1digitComparator PASS ...