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Precision method for free-field calibration of one-inch standard condenser microphones by the reciprocity technique. Original standard IEC 60486-1974 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 61094-3-2016

Methods of measurement for radio equipment used in the mobile services - Part 7: Privacy equipment - Supplementary definitions. Original standard IEC 60489-7-1976 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Rules for testing of rail vehicles equipped with thermal engines and electric transmissions, after completion of construction and before entry into service. Original standard IEC 60490-1974 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 61133-2016

Measuring methods for aerial rods. Original standard IEC 60492-1974 in PDF full version. Additional info + preview on request

Document status: Withdrawn

International code for model acceptance tests of storage pumps. Original standard IEC 60497-1976 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 60193-2019

Ceramic dielectric disk-style rotary variable pre-set capacitors: Grade 2. Part 1: General requirements for tests and measuring methods. Original standard IEC 60499-1-1974 in PDF full version. Additional info + preview on request

Document status: Withdrawn