Gas meter calibration device for hydrogen-oxygen mixtures

Details Gas meter calibration device for hydrogen-oxygen mixtures Gas meter calibration device for hydrogen-oxygen mixtures

1997-11-06

1999-12-07

Raevis, Robert

Measuring and testing

Instrument proving or calibrating

Gas or liquid analyzer

G01N 3300

Patent

active

059963948

ABSTRACT:
In order to provide a gas meter calibration device for hydrogen-oxygen mixtures which comprises a connection for a gas meter such that it enables a gas meter for hydrogen-oxygen mixtures to be accurately calibrated, it is proposed that a hydrogen-oxygen mixture can be produced in a mixing zone with oxygen from an oxygen gas store and hydrogen from a hydrogen gas store, and that the composition of the hydrogen-oxygen mixture can be adjusted by means of at least one mass flow regulator, with a control system checking and ensuring that the foreign gas concentration of hydrogen or oxygen in the mixture lies below the lower explosion limit.

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patent: 5524473 (1996-06-01), Haskell
Hengstenberg et al. Messen Steuren und Regeln in der Chemischen Technik, vol. II, Chapter 14, 1980.
Staab, J. "Industrielle Gasanalyse", tm-Technisches Messen, 61, 1994.

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