... different apparatus. It is used to measure to measure DC current. Technical parameter: Model:PM-A96 PK-A72 PM-A48Accuracy:Class1 ... , 40A, 50A, 60A, 75A, 100AFor 5A~10A use extermal current transformer with secondary current 5A and 1ANotes: For 60A,75A,100A meters, when ...