Gas Requirements

Compressed gases are required for analyses. Gas cylinders or an outlet from a central source should be located near the analyzer. Up to five different non-reactive adsorptives — for example, N2, Ar, CO2, and Kr, plus helium for free space — can be attached to the analyzer simultaneously.

Appropriate two-stage regulators which have been leak-checked and specially cleaned are required. Pressure relief valves should be set to no more than 30 psig (200 kPag). All gases should be of a purity of 99.999% or better. Gas regulators can be ordered from Micromeritics. Parts and accessories can be found online at www.Micromeritics.com.

(CGA 580) N2
(CGA 580) He
(CGA 580) Kr

99.999%
99.999%
99.995% (Krypton needed for krypton units only)

 
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