Calibration gas, 17 liters, 50% lel methane, ch4; 20.9% or oxygen balance nitrogen; supplied in non-reusable 7eoc style of cylinder
A predetermined mixture of 2 or more gases in which each component is measured to extreme accuracy and its contents certified. It is normally used to standardize and assure the accuracy of highly sensitive laboratory equipment.
NSN 5920-01-173-9925
NSN 5998-00-730-8237
NSN 6240-01-468-5576
NSN 5835-01-387-4227
NSN 5998-01-127-6242
NSN 5905-00-588-3477
NSN 6620-00-329-9460
NSN 6105-01-101-0233
NSN 6130-01-271-4540
NSN 5930-01-111-3385
NSN 6110-01-145-4458
NSN 5910-01-246-3873