Applies to the construction and use of sphere-gaps for measuring the peak value of alternating, direct and both full standard and longer tail impulse voltages. Peak values of the disruptive voltages in air are given in tabular form. Note: - For high-volt
IEC 60052:2002 history
2002IEC 60052:2002 Voltage measurement by means of standard air gaps
1960IEC 60052:1960 Recommendations for voltage measurement by means of sphere-gaps (one sphere earthed)
1970IEC 60052:1935 Rules for the measurement of test-voltage at power frequencies in dilectric tests by sphere gaps