Galaxy® GX2 Smart Cylinder HolderThe Smart Cylinder Holder provides calibration gas information and gas levels Information such as part number, gas types, concentrations, expiration date, lot number and real time pressure levels are automatically set up in the test stand Smart Cylinder Holder provides end users with automated, remote warnings as to low gas and expired or nearly expired cylinders No need to purchase a separate Demand Flow regulator Cylinder of gas sold separately Gas