... low distortion 7) V, A, W, Hz display accurately, digital, simultaneously8) With full protections (over voltage, over load, ... ) User friendly control panel10) Tenfold peak inrush current11) Timer is substantive, preset from 0 to 16hMain applications:1) ... power supplying for electro-instrument2) Widely for electromotor, electron manufacturing, IT industry, computers and labs3) For others which need ...