KEYGAS

NTT DIAGNOSTICS FOR MINERAL OIL

Interpretative or Key Gas Method Useful if no measured previous dissolved gas history is available. The data is compared to the majority of transformers. Flag limits indicated here are established by NTT and utilitized on NTT reports. Customers can establish different flag limits on our reporting software.
Enter PPM values Hydrogen H2 Methane CH4 Ethane C2H6 Ethylene C2H4 Acetylene C2H2 Carbon Monoxide CO Carbon Dioxide CO2 Nitrogen N2 Oxygen O2	Gas Limits and Diagnostics Hydrogen Methane Ethane Ethylene Acetylene Carbon Monoxide Carbon Dioxide Total Combustile Gas ppm Total Gas ppm

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