CEI EN 60052 : 2003

FOREWORD
INTRODUCTION
1 SCOPE
2 NORMATIVE REFERENCES
3 DEFINITIONS
4 STANDARD SPHERE-GAP
5 USE OF THE SPHERE-GAP
6 REFERENCE VALUES IN
  TABLES 2 AND 3
7 STANDARD ROD-ROD GAP
  FOR MEASUREMENT OF DIRECT
  VOLTAGE
8 USE OF STANDARD AIR GAPS
  FOR PERFORMANCE CHECKS OF
  APPROVED MEASURING SYSTEMS
Annex A (INFORMATIVE) - RANGE OF EXPERIMENTAL
        CALIBRATIONS FOR SPHERE-GAPS
Annex B (INFORMATIVE) - PROCEDURE BY WHICH
        THE VALUES IN TABLES 2 AND
        3 HAVE BEEN DERIVED FROM
        NATIONAL STANDARDS AND
        OTHER SOURCES
Annex C (INFORMATIVE) - SOURCES OF IRRADIATION
Annex D (INFORMATIVE) - UNCERTAINTY AND
        CALIBRATION OF SPHERE-GAPS
BIBLIOGRAPHY
Annex ZA (NORMATIVE) - Normative references
         to international publications
         with their corresponding
         European publications

Advices concerning the construction and use of standard air gaps for the measurement of peak values.