Below you can find and search the list of relevant test services available in the market and offered by Accredited Laboratories in Europe. You may click on the name of the test in blue to obtain more information on the test method and the available laboratories offering that service. In addition, you may also click on the code of the corresponding European and International standards in the grey area below, to obtain the applicable standards or relevant information about them.
Instrument transformers - Additional requirements for current transformers
Instrument transformers - Additional requirements for voltage transformers for DC applications
Insulating gas - Determination of SF6 content by acoustic method
Insulating gas - Measurement of SF6 dew point by acoustic method
Insulating liquids - Contamination by polychlorinated biphenyls (pcbs). method of determination by capillary column gas chromatography - (10 – 1000) ppm
Determination of 2-furfural and related compounds by HPLC. Extraction method B. 5-hydroxymethyl-2-furfural: (0,1 - 30) ppm 2-furfurialcohol: (0,1 - 30) ppm 2-furfural: (0,1 -30) ppm 2-acetylfuran: (0,1 - 30) ppm 5-methyl-2-furfural: (0,1 - 30) ppm
Insulating liquids - Determination of acid value of insulating liquids by automatic potentiometric titration
Insulating liquids - Determination of d.c. resistivity (ρ)+
Determination of neutralization coefficient - (0,005 – 2 mg) KOH/g - Internal procedure PT-QUI-25 based on ASTM D664
Insulating liquids - Determination of PCB content by gas chromatography (GC/ECD - congeners 28, 52, 101, 138, 153, 180) and the sum of PCB congeners by calculation from measured values
relative permittivity
Empirical test procedure intended to indicate the presence of contaminants such as water and solid suspended matter, and the advisability of carrying out drying and filtration treatment.
Insulating liquids - Determination of the content of dibenzyl disulfide (DBDS) by gas chromatography method
Insulating liquids - Determination of the content of free and dissolved gases from oilfilled electrical equipment by gas chromatography
Insulating liquids - Determination of the content of furan derivatives by high performance liquid chromatography
Insulating liquids - Determination of the content of passivators in mineral oils by high-performance liquid chromatography
Insulating liquids - Determination of thermal oxidation stability of insulating liquids – determination of volatile acidity (VA)+ by titration and total acidity (TA)+ by calculation
Insulating Liquids - Determination of water by automatic coulometric karl fischer titration (2 – 100) ppm
