... Test System Product name: DC Hysteresisgraph Automatic measurement on hysteresis loop and demagnetization ... greatly improve the accuracy of Hc and Br.Automatic demagnetisation function before µi testing, 10Hz AC ... , 200mA, 500mA,1A, 2A, 5A, 10A total 13 automatic rangesStability: superior to 0.05%Flux Range: 0.25 ... 1, 2, 5, 10, 20mWb, total seven automatic rangesSensitivity: 0.05µWb (ballistic method)0.1µ ...