EVS-EN 61481:2002

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• Live working - Portable phase comparators for voltages from 1 kV to 36 kV a.c.

  Description:

  This standard is applicable to portable phase comparators with or without built in power source to be used on electrical systems for voltages of 1 to 36 kV a.c. and frequencies from 50 Hz to 60 Hz. This standard is applicable to two pose phase comparators having a connection lead between, two pole phase comparators operating with wireless connection, single pole phase comparators operating with memory system.

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