For monitoring the flow rates of gases. This bubble counter can't be used with a charge of Hg as a mercury valve. For monitoring the flow rates of gases. This bubble counter can't be used with a charge of Hg as a mercury valve.
Modified, with cone size NS 14 / 23, DURAN®-glass, for use directly on the apparatus, with threaded socket for filling in oil. Modified, with cone size NS 14 / 23, DURAN®-glass, for use directly on the apparatus, with threaded socket for filling in oil.