NBN EN 61481:2002現行
Live Working - Portable Phase Comparators For Voltages Of 1 Kv To 36 Kv A.c.
出版：Belgian Standards
專家解讀視頻
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.
SS EN 61481:2001 - Identical
UNE EN 61481:2002 - Identical
I.S. EN 61481:2001 - Identical
NF EN 61481:2001 - Identical
DIN EN 61481 (2002-07) - Identical
BS EN 61481:2001 - Identical
SN EN 61481:2001 - Identical
DIN EN 61481:2002 - Identical
