Calibration gas, Air, Carbon Monoxide, 221 L, CGA 165 Connection, +/-5% Accuracy
25 in, For Use With All OEM Gas Detectors, Gas Mixture Carbon Monoxide 200 ppm, Gas Type Carbon Monoxide, Product Type Calibration Gas, Chemical Formula CO, CAS Number 630-08-0, Accuracy +/-5 Percent, Background Gas Air, Calibration Certificate NIST, Cylinder Material Steel, Outlet Connection Size 3/4 in, Outlet Connection Type NGT, Standards ISO 9001:2015.Calibration Gas, CGA Number CGA 165, Container Type Cylinder, Cylinder Capacity 221 L, Cylinder Diameter 9 in, Cylinder Height 16.