... This series`s ripple frequency is 60Hz~100kHz(by order).DC bias disable function,Has protections,automatic discharge, multifunctional timer, easyfront ... consumerof capacitor. supplyed at a just price.Features:1)DC bias disable function,voltage and current areconstantly adjustable2)Overload, short, ... )time can be seted in advance as your need8)DC AC display accurately with digital LED9)AC:voltage and ...