Standards ČSN - Czech national standards - Page 2808

Mineral insulating oils - Determination of kinematic viscosity at very low temperatures (IEC 61868:1998)

Standard published on 1.10.1999

Insulating liquids - Measurement of relative permittivity, dielectric dissipation factor (tan d) and d.c. resistivity

Standard published on 1.1.2005

Insulating liquids -Methods for counting and sizing particles

Standard published on 1.5.2008

Insulating liquids - Test methods for the determination of interfacial tension of insulating liquids - Determination with the ring method

Standard published on 1.6.2019

Specifications for the re-use of sulphur hexafluoride (SF6) and its mixtures in electrical equipment

Standard published on 1.12.2019

Guidelines for the checking and treatment of sulfur hexafluoride (SF6) taken from electrical equipment and specification for its re-use

WITHDRAWN published on 1.8.2005

Oil-filled electrical equipment - Sampling of gases and analysis of free and dissolved gases - Guidance

Standard published on 1.7.2012

Olejem plněná elektrická zařízení - Odběr vzorků plynů a analýza volných a rozpuštěných plynů - Návod.

Change published on 1.9.2024

Oil-filled electrical equipment - Sampling of free gases and analysis of free and dissolved gases in mineral oils and other insulating liquids - Guidance

Standard published on 1.9.2024

Guide for the sampling of gases and of oil from oil-filled electrical equipment and for the analysis of free and dissolved gases

WITHDRAWN published on 1.3.1996