Method of and apparatus for the measurement of subterranean atmo

Details Method of and apparatus for the measurement of subterranean atmo Method of and apparatus for the measurement of subterranean atmo

1984-07-27

1986-01-07

Kreitman, Stephen A.

Measuring and testing

Gas analysis

Gas chromatography

73 1G, 340633, 422 94, G01N 2712

Patent

active

045627231

ABSTRACT:
A measuring and evaluating device and method for mine galleries and the like can monitor the various parameters of the atmosphere and normalize the parameters for display and storage in the device. In an emergency the danger-posing operations of the device are shut down although the memory is maintained and, for further safety, a detector which may pose a danger may be inactivated and replaced by a less precise detector for the same parameter but which poses no danger.

REFERENCES:
patent: 3427862 (1969-02-01), Hubner
patent: 3845288 (1974-10-01), Cornyn, Jr. et al.
patent: 4231249 (1980-11-01), Zuckerman
patent: 4369647 (1983-01-01), Shigemori et al.
patent: 4464653 (1984-08-01), Winner
patent: 4475378 (1984-10-01), Boutonnat et al.
patent: 4485666 (1984-12-01), Higgins et al.
"Ein frei programmierbares mikroprozessorgesteuertes Datensystem . . . " by D. Voigt, published in messen+prufen/automatik--Jul./Aug. 1982.
"Grundlosungen von Aufgaben zur Weiterverarbeitung . . . " by G. Strohrmann, Marl published in Regelungstechnische Praxis 24, Jahrgang 1982 HEFT 8.
"Die Zuverlassigkeit von Messsystemen" by Dr. P. Profos published in Handbuch der Industriellen Messtechnik (Vulkan-Verlag Dr. W. Classen Nachf. GmbH & Co. KG. Essen, 1978).
"Sicher vor allen Gasgefahren durch VABOTECTOR-EX" Gas Messung (Gesellschaft fur GeratebaumbH & Co. KG) (6/1982 3000 B+M).

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