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US 2019/0137405 A1Published application
System for monitoring air quality in an enclosed environment
AssigneeEthera
InventorsSylvain COLOMB, Farhad ABEDINI, Séverine MARGERIDON-THERMET
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Abstract
In the field of monitoring air quality, and more specifically, the field of identification of the presence of gaseous chemical pollutants such as volatile organic compounds, in an enclosed environment, there is disclosed a system including: a substrate; a gaseous chemical pollutant sensor; and at least one colorimetric marker of a predetermined colour situated on the substrate.
Claims26
1-49. (canceled)
System for identifying the presence of at least one gaseous chemical pollutant, preferably a volatile organic compound, in an enclosed environment, said system comprising:
- a substrate (1);
- a gaseous chemical pollutant sensor (2) rendered rigidly connected to the substrate (1);
- said sensor (2) changing colour according to the gaseous chemical pollutant concentration and the exposure time;
- and
- at least one colorimetric marker (5A, 5B, 5C, 5D, 5E) of a predetermined colour situated on the substrate.
2 more elements
Dependencies are inferred from the claim text.