The Elecnova LNF58 multi-functional power meter provides the all-electric parameter measurement (V/A, P/Q/S/PF,F,±kwh,±kvarh), bi-directional energy measuring which is the perfect device for the solar power system, besides the LNF58 availalbe for the power quality analysis up to 63rd harmonic measuring with 0.5S accuracy. There are 2 DI/DO interface for variety uses. Its futuristic bracket free design makes the panel meter installation simple and reliable. The measuring data could be display on the LCD display and the PC software.