DS DS/EN 60052
DS DSEN 60052 2003-JUN-27 Voltage measurement by means of standard ar gaps
IEC 60052 sets forth recommendations concerning the construction and use of standard air gaps for the measurement of peak values of the following four types of voltage: a) alternating voltages of power frequencies; b) full lightning impulse voltages; c) switching impulse voltages; d) direct voltages. Air gaps constructed and used in accordance with this publication are IEC standard measuring devices in accordance with IEC 60060-2 and primarily intended for performance checks of high voltage measuring systems.