This standard specifies the terms and definitions, classification, technical requirements, accuracy levels and test methods of standard harmonic active energy meters (hereinafter referred to as meters). This standard is applicable to instruments with a reference frequency of 50Hz (or 60Hz) and used in laboratories to test or calibrate the fundamental active electric energy and the prescribed (th) 2nd to ()nth harmonic forward and reverse active electric energy. . This standard does not apply to power quality monitoring equipment.
DL/T 1369-2014 history
2014DL/T 1369-2014 Reference meter for harmonic active energy