Check your eligibility criteria for tender Supply of Calibration Gas Mixture In 0.5 Litre W/C Aluminum Canister Along With Fine Control Needle Valve- Met Hane - 1000 Ppm, Ethane - 1000 Ppm, Ethylene - 1000 Ppm, Acetylene - 1000 Ppm, Hydrogen - 1000 Ppm, Ca Rbon Dioxide - 5000 Ppm, Carbon Monoxide - 5000 Ppm And Nitrogen Balance. Filling Pressure - 20 Kg/Cm2. Mat Erial To Be Supplied In Phase Wise Manner That Is 3 Nos. In Every 3 Months After Placement Of Po.