DUAL MEASURING DEVICE FOR DETERMINING THE QUALITY OF A GAS, USE THEREOF, AND MEANS OF TRANSPORTATION COMPRISING SUCH A MEASURING DEVICE

The invention relates to a dual measuring device (1) for determining the quality of a gas. The dual measuring device (1) has an optical gas sensor with a spiral-shaped (helical) capillary (21) with a cavity (21.2) into which both the measured gas as well as an electromagnetic radiation are coupled....

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	ZLATKOV, Branislav
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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Beschreibung
Zusammenfassung:	The invention relates to a dual measuring device (1) for determining the quality of a gas. The dual measuring device (1) has an optical gas sensor with a spiral-shaped (helical) capillary (21) with a cavity (21.2) into which both the measured gas as well as an electromagnetic radiation are coupled. A gas component is detected by detecting the absorption. The dual measuring device (1) additionally has a temperature sensor (28) for measuring the temperature of the gas, said measurement being carried out both in a spatially matching manner and simultaneously. The dual measuring device (1) is suitable in particular for use in the exhaust tracts or in the interior of vehicles.