Electrical engineering; basic environmental testing procedures; tests; test N: change of temperature; identical with IEC 60068-2-14, edition 1984 (status as of 1986)
Electrical engineering; basic environmental testing procedures; tests; test U: robustness of terminations and integral mounting devices; identical with IEC 60068-2-21, edition 1983
Electrical engineering; basic environmental testing procedures; test Db and guidance: damp heat, cyclic (12 + 12-hour cycle); identical with IEC 60068-2-30, edition 1980 (status as of 1985)
Electrical engineering; basis environmental testing procedures; test Fc and guidance: vibration (sinusoidal); identical with IEC 60068-2-6:1982 (status as of 1985)
Electrical engineering; basic environmental testing procedures; test Ga and guidance: acceleration, staedy state; identical with IEC 60068-2-7:1983 (status as of 1986)
Quartz crystal units; method for the measurement of resonance frequency and equivalent series resistance by zero phase technique in a <pi>-network— 8 стр.
