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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