GAS DETECTION SYSTEM AND CONTROL METHOD FOR GAS DETECTION SYSTEM

A gas detection system includes a gas sensor, and a filter unit. The gas sensor is configured to detect detection target molecules. The filter unit is disposed at a reference gas supply passage. The reference gas supply passage connects a reference gas inlet port from which a reference gas is introd...

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Bibliographische Detailangaben
1. Verfasser:	NAKAO, Atsuo
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	A gas detection system includes a gas sensor, and a filter unit. The gas sensor is configured to detect detection target molecules. The filter unit is disposed at a reference gas supply passage. The reference gas supply passage connects a reference gas inlet port from which a reference gas is introduced, and a sensor chamber in which the gas sensor is housed. The filter unit includes at least a first filter configured to reduce the detection target molecules in the reference gas, and a second filter configured to reduce moisture in the reference gas. Each of the first filter and the second filter has a separation membrane including hollow fibers.