Tender Brief : Supply Of standard gas mixture for calibration , standard gas mixture for calibration of dissolved gas analyzer 10 ltr capacity aluminum can with nozzle and screw fine control valve on to out l et valve, on top of can to obtain required gas flow with regulator 1) 1000 ppm - methane, 2)1000 ppm-ethane, 3) 1000 ppm -ethylene, 4) 1000 ppm-acetylene, 5) 1000 ppm-hydrogen, 6) 5000 ppm-carbon dioxide, 7) 5000 ppm -carbonmonoxide,8) balance - nitrogen. accepted make: spantech(spancan) londen. as pe r specification attached [ warranty period: 30 months after the date of delivery ] ] Read More