NEN EN IEC 61481 : 2001 C2 2005
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
LIVE WORKING - PORTABLE PHASE COMPARATORS FOR VOLTAGES OF 1 KV AND 36 KV A.C.
12-31-2014
01-12-2013
Applies to portable phase comparators with or without a built-in power source to be used on electrical systems for voltages from 1 kV to 36 kV a.c. and frequencies from 50 Hz to 60 Hz.
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