Set Of Items For Dissolved Gas Analysis (Dga) Test Of Transformer Oil. Each Consisting Of 5 Items As Follows: (I) Teflon Coated Rubber Septum 9 Mm Dia, 3 Mm Thick 100 Nos. (1 Pack) (Ii) Vaccum Grease 50g, Make Metorak 211 Compound 6 Nos. (1 Pack) (Iii) Teflon Thread Sealant Tape: 12 Mm Widthx0.075 Mm Thick, 10 M Length. Make Crown 10 Nos. (1 Pack) (Iv)ar Grade Mercury Pure (0.5 Kg.) (V) Standard Calibration Gas Mixture For Dga With Needle Valve For Drawing The Gas In Aluminium