Accuracy: class 0.1 Advanced power source technology, and operation software Test 3~60 various meters Comprises of PWM power sourceStandard meter configuration: ... Starting current output:5ma, accuracty:5%, starting power: accuracy 5%3~60 meters testing stations are availableBasic tests: intrinsic error test ... of loops such as 1-2, 4-3, 1-2-4-3 (or 1-4,3-2,1-4-3-2) can be performed 1-PH KWH Meter Test ...