... GB 11209-89 DX-4DMT automatic hysteresigraph system accords with the standard permanent magnet test system, GB3217-92, ... and could meet different requirements on test function, precision, power capability, reliability, efficiency, price, local environment from laboratory ... 5%, the error is below 0.5~2% (change with the sample kind)The magnetizing power supply: the maximum output power is 100KW, with ...