NBN EN 61481 : 2002 AMD 2 2006

Clause
1 Scope
2 Normative references
3 Definitions
4 Requirements
  4.1 General requirements
  4.2 Functional requirements
  4.3 Electrical requirements
  4.4 Mechanical requirements
  4.5 Markings
5 Tests
  5.1 General
  5.2 Function tests
  5.3 Dielectric tests
  5.4 Mechanical tests
6 Quality plan and acceptance tests
  6.1 General
  6.2 Records
Annex A (normative) Chronology of tests
Annex B (normative) Instructions for use
Annex C (normative) Sampling procedure
Annex D (normative) Mechanical shock test - Pendulum
        method
Annex E (normative) Symbol for marking
Annex F (informative) Acceptance tests
Annex G (informative) In-service care
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications
Figures

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.