... display interface.4. Built-in large capacity FLASH. The intelligent meter is synchronous loading.5. DSP high precision technology, multi- ... operation speed is faster.7. The main and subsidiary meter calibration P3/P4 automatic wire checking, constant checking Waveform and ... measurement3×1A,3×5A,3×20A(as per requirement)Clamp measurement5A,500AOptional:100A,200A,1000AAccuracy:Voltage0.1%current0.1% ...