Circuit arrangement for an apparatus for measuring and indicatin

Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample

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73 27R, 340633, G01N 2716, G01N 3110

Patent

active

044760965

ABSTRACT:
Ambiguous measurement results can be obtained in the measurement and indication of high concentrations obtained in air of combustible gases when employing the thermal effect principle. In order to prevent such ambiguities from arising, the measuring range is, in accordance with the invention, limited to the linear part of the characteristic curve of the measuring sensor and displayed digitally.

REFERENCES:
patent: 2285280 (1942-06-01), Johnson
patent: 2786350 (1957-03-01), Johnson
patent: 3237181 (1966-02-01), Palmer
patent: 3497323 (1970-02-01), Neubeit
patent: 3519391 (1970-07-01), Winter et al.
patent: 4074243 (1978-02-01), Bogen et al.
patent: 4170770 (1979-10-01), Ichinose et al.
patent: 4263588 (1981-04-01), Gautier

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