Specification:       Index Type    KL5100    KL5101    KL5102    KL5104    KL5105        Input    Input voltage    AC 110V / 220V ± 10%, 50 ± 2Hz        Power consumption    Less than 20 W        Load input    Load voltage    1-150V    1-150V    1-150V    1-300V    1-500V        Load current (dual channel)    0-30A    0-40A    0-60A    0-30A    0-30A        Maximum load power    200W    300W    400W    400W    500W        measurement accuracy    Main current    ± 0.1% + 5Ma (24bit A / D, 15ppm / & 8451; reference)        Main voltage    ± 0.1% + 5Mv (24bit A / D, 15ppm / & 8451; reference, input impedance 400KΩ)        control precision    Main current    ± 0.1% + 5Ma (16bit D / A, 15ppm / & 8451; reference)        Main voltage    ± 0.1% + 5Mv (16bit D / A, 15ppm / & 8451; reference)        protection    Overpressure    155V    310V    520V        Over temperature    85 & 8451;        Overpower    220W    320W    420W    420W    520W        Overcurrent    30.5A    40.5    60.5A    30.5A    30.5A        Communication Interface    Program control interface    TTL level full-duplex serial interface (can be converted to 232 or 485 by converter)        Features    Operating mode    CC , CV, CR, CW        General functions    Automatic test, dynamic test, battery test, OCP test, etc.        List test function    List test, trigger test, step loop test, automatic increase and decrease test, etc.