International Electrotechnical Commission <br/><br/>
IEC: 62055-31(Ed-1.0)-2005-09; Electricity Metering - Payment Systems - Part 31: Particular Requirements - Static Payment Meters for Active Energy (Classes 1 and 2) 

 - 1.0 
 - Geneva  IEC  2005 
 - 126 
<br/><br/><label>Universal Decimal Class. No.: </label> /