Ma'anar aikin wannan samfurin sun cika duk buƙatun fasaha don lantarki guda ɗaya na mitoci waɗanda aka riga aka biya kafin lokaci a cikin GB/T17215321-2008 (Class 1 da Class 2 static AC AC m watt-hour meters) da GBA T18460.3-2001 ma'auni.