Standards ČSN - Czech national standards - Page 2768

Recommended methods for the determination of the permittivity and dielectric dissipation factor of electrical insulating materials at power, audio and radio frequencies including metre wavelengths

WITHDRAWN published on 1.1.1998

WITHDRAWN published on 27.4.1983

Zkušební metody elektroizolačních materiálů. Metoda stanovení odolnosti proti působení stejnosměrného elektrického oblouku.

WITHDRAWN published on 13.10.1986

Method for determination of the proof and the comparative tracking indices of solid insulating materials

Standard published on 1.8.2021

Metody určování zkušebních indexů a porovnávacích indexů odolnosti tuhých izolačních materiálů proti plazivým proudům.

Change published on 1.6.2026

Method for the determination of the proof and the comparative tracking indices of solid insulating materials

Standard published on 1.6.2026

Tests of electrical insulation materials. Determination method of comparison indexes and indexes of solid insulating materials to sneak current in moisture

WITHDRAWN published on 16.3.1990

Method for the determination of the proof and the comparative tracking indices of solid insulating materials

WITHDRAWN published on 1.12.2003

WITHDRAWN published on 10.4.1987

Dry, solid insulating materials - Resistance test to high-voltage, low-current arc discharges

Standard published on 1.10.1998