Ревидиран
Describes a general-purpose model (GPM) and a tall channel alternative model (GPM-TC) which can be used for the evaluation of wire-wound EIS where specific electrotechnical products are not available or required.
This edition constitutes a technical revision by merging Part 23 into Part 21.
ПОВУЧЕН
IEC 61857-21:1998 ED1
ПОВУЧЕН
IEC 61857-23:2002 ED1
ПОВУЧЕН
IEC 61857-23:2002/COR1:2003 ED1
ПОВУЧЕН
IEC 61857-21:2004 ED2
99.60
Повлачење ступило на снагу
13. 5. 2009.
ОБЈАВЉЕН
IEC 61857-21:2009 ED3