Dga Calibration Gas Mixture (Standard Gas) In Canister With Nozzle, Fine Control Gas Compositi On/Gas Quality Certificate For Dga Calibration Mixture Capacity 500Ml. Approx Pressure 20Kg/Cm2 In Caniste & Stability 12 Months. Canister Containing Ch4,C2H6,C2H4,C2H2,H2 Gas 1000Ppm & Co And Co2 Gas 5000P Pm Each, Balance N2 Gas. Make: Spantech, Upg, Phoenix Or Equivalent, Canister Required With Regulator. G As Composition Test Certificate From Any Approved Firm To Be Provided Along With Material. ]