Page 60 - Solution SystemGC for Hydrocarbon

Transformer Oil Gas Analyzer - D3612 Method C

Nexis GC-2030TOGAS3

Analyzer Description Typical Chromatogram

System Configuration:
・ 3 valves / 3 columns (packed) /
Packed injector for Headspace option
/ methanizer FID / TCD / PDHID
Sample Information:
・ Transformer Oil
Compounds Analysed:
・ H 2, O 2, N 2, CO 2, CH 4, CO, C 2H 6,
C 2H 4, C 2H 2, C 3H 8, C 3H 6 and i-C 4H 10
Typical Concentration Range:
・ 0.1 ppm for H 2, 50 ppm for O 2,
50 ppm for N 2, 0.1 ppm for CH4 and
CO, 1 ppm for CO 2 , 0.1 ppm for
C2 hydrocarbons (C 2H 6, C 2H 4, C 2H 2),
0.2 ppm for C3 hydrocarbons (C 3H 8,
C 3H 6) and 1 ppm for i-C 4H 10.
Reference Method:
・ ASTM D-3612 Method C

Transformer Oil Gas
Features

・ Trace levels of H 2, CH 4 and CO
detect by PDHID
・ Trace levels of CO and CO 2 can be
converted to CH 4 for FID detection
・ Detection of hydrocarbons from C2
to C4 on FID.
・ Manual sampling with Headspace
option

・ 20 mins analysis time

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