Gasco Zero Air 20.9% O2 in N2
Gasco Zero Air 20.9% O2 in N2 is clean-air reference gas used to set a gas detector’s “zero” under conditions where the ambient atmosphere may be contaminated with the test or challenge gas. Composition is 20.9% O2 in N2 and is available in single-use, disposable cylinders 10L, 17L, 34L (aluminum cylinders), 34LS (steel cylinders), 58L 105L, 221L and 600L, and refillable cylinders 44ES, 58ES, 66ES, 116ES, 650ES and 900ES. Shelf life is 5 years from date of manufacture.
Cylinder shelf life is 5 years from date of manufacture.
Gasco offers many different calibration concentrations beyond those listed. Please take a minute to call 1-800-804-6196 or email email@example.com for availability of concentrations not shown.