Ревидиран
Specifies requirements for equipment for measuring the loop
impedance between a phase conductor and the protective conductor
or between a phase conductor and neutral or between two phase
conductors by using the voltage drop when the circuit
under test is loaded.
ПОВУЧЕН
IEC 61557-3:1997 ED1
99.60
Повлачење ступило на снагу
29. 1. 2007.
ПОВУЧЕН
IEC 61557-3:2007 ED2