supply of standard gas mixture for calibration of dissolved gas analyzer 10 liters. capacity in aluminium cane with nozzle and screw fine control valve on to out let valve, on top of cane to obtain required gas flow with regulator. a:- concentration of gases asunder; (1) methane 1000ppm.(2)standard gas mixture for calibration of dissolved gas analyzer 10 liters. capacity in aluminium cane with nozzle and screw fine control valve on to out let valve, on top of cane to obtain required gas flow with regulator. a:- concentration of gases asunder; (1) methane 1000ppm.(2),standard gas mixture for calibration of dissolved gas analyzer 10 liters. capacity in aluminium cane with nozzle and screw fine control valve on to out let valve, on top of cane to obtain required gas flow with regulator. a:- concentration of gases asunder; (1) methane 1000ppm.(2) ethylene 100 ppm (3) ethane 1000ppm. (4)acetylene 1000ppm (5) carbon dioxide 5000 ppm (6) carbon monoxide5000 ppm (7) hydrogen 1000ppm. (8) nitrogen balance b :- regulator 01 no. [ warranty period: 30 months after the date of delivery ] => limited