Calibration gas, Air, Hydrogen, 44 L, C-10 Connection, +/-5% Accuracy, 825 psi Max. Pressure
13 in, Cylinder Height 10.64 in, For Use With All OEM Gas Detectors, Gas Mixture Hydrogen 500 ppm, Gas Type Hydrogen, Product Type Calibration Gas, Chemical Formula H2, CAS Number 1333-74-0, Accuracy +/-5 Percent, Background Gas Air, Calibration Certificate NIST, Cylinder Material Aluminum Alloy, Outlet Connection Size 5/8 In.Calibration Gas, CGA Number Not Applicable, Container Type Cylinder, Cylinder Capacity 44 L, Cylinder Diameter 3.-18, Outlet Connection Type UNF, Standards ISO 9001:2015.