Description :
Tenders for Supply Of Calibration Gas Cylinders Calibration Gas: Methane(ch4) : Free Volume 10 Ltrs. , Calibration Gas: Oxygen(o2) : Free Volume 10 Ltrs. Required Conc. 15% V/v , Calibration Gas: Hydrogen Sulphide(h2s) : Free Volume 10 Ltrs. Required Conc. 25 Ppm , Calibration Gas: Sulphur Dioxide(so2) : Free Volume 10 Ltrs. Required Conc. 10 Ppm , Calibration Gas: Chlorine(cl2) : Free Volume 10 Ltrs. Required Conc. 10 Ppm
