4 Percent, Gas Type Methane, Nitrogen, Oxygen, Product Type Calibration Gas, Chemical Formula CH4, CAS Number 74-82-8, Accuracy +/-5 Percent, Background Gas Air, Calibration Certificate NIST, Cylinder Material Steel, Outlet Connection Size 5/8 In.3 in, Cylinder Height 13.6 in, For Use With All OEM Gas Detectors, Gas Mixture Methane (8 Percent LEL) 0.-18, Outlet Connection Type UNF.
25 in, For Use With All OEM Gas Detectors, Gas Mixture Nitric Oxide 20 ppm, Gas Type Nitric Oxide, Product Type Calibration Gas, Chemical Formula NO, CAS Number 10102-43-9, Accuracy +/-5 Percent, Background Gas Nitrogen, Calibration Certificate NIST, Cylinder Material Aluminum Alloy, Outlet Connection Size 5/8 in, Outlet Connection Type UNF.Calibration Gas, CGA Number Not Applicable, Container Type Cylinder, Cylinder Capacity 74 L, Cylinder Diameter 4.
64 in, For Use With All OEM Gas Detectors, Gas Mixture Carbon Monoxide 60 ppm, Hydrogen Sulfide 20 ppm, Methane (50 Percent LEL) 2.5 Percent, Gas Type Carbon Monoxide, Hydrogen Sulfide, Methane, Nitrogen, Oxygen, Product Type Calibration Gas, Chemical Formula CH4, CO, H2S, N2, O2, CAS Number 630-08-0, 74-82-8, 7727-37-9, 7782-44-7, 7783-06-4.