supply of a set of standard gas mixture for calibration of dga. 10 ltr capacitya set of standard gas mixture for calibration of dga. 10 ltr capacity,a set of standard gas mixture for calibration of dga. 10 ltr capacity aluminum can with nozzl e and screw fine control valve on to outlet valve on top of the can to obtain required gas flow with regulator consisting of 1) gas concentration of gases as methane 1000 ppm, ethylene 1000 ppm, ethane 1000 ppm, acetylene 1000 ppm, hydrogen 1000 ppm carbon di oxide 5000 ppm, carbon monoxide 5000 ppm and nitr ogen balance - 02 nos/set. 2) methane 500 ppm, ethylene 500 ppm, ethane 500 ppm, acetylene 500 ppm, hydrogen 500 ppm carbon di oxide 500 ppm, carbon monoxide 500 ppm and nitrogen balance - 01 no/set. preparation tolerance +/- 20 % and shelf life 12 months. canister capacity 0.5 ltr, filling pressure 20 kg/sq. cm with test certificate and suitable septa as spares. [ warranty period: 12 months after the date of deliv ery ] ] => limited