... : ISO 9001:2008 Onsite Multifunctional Meter Calibration Device Main performance:1. Newly designed outer case ... the wonderful display interface.4. Built-in large capacity FLASH. The intelligent meter is synchronous ... analysis, demand quantity burden test.8. Standard RS232 USB interface, the external device such as the bar ... ×60,3×100,3×200,3×400V)Current measuring range:Direct measurement3×1A,3×5A,3 ...