The HYDROCAL 1011 genX P is a portable device for the analysis of dissolved and free gases from the isolation fluid of oil-filled power transformers and other electrical equipment. It individually measures moisture in oil (H2O) and the key gases hydrogen (H2), carbon monoxide (CO), carbon dioxide (CO2), methane (CH4), acetylene (C2H2), ethylene (C2H4), ethane (C2H6), oxygen (O2), nitrogen (N2) and propane (C3H8) dissolved in transformer oil.