This document defines technological concepts that provide reliable and open data, and defines thefunctional requirements on measurement devices that produce such data. This provides a means tomeasure the air quality required by relevant EU directives.Cross References:EN 14662-3EN 14211EN 12414EN 12341CEN/TS 17380:2019EN 14625EN 14902EN 14662-1ISO/IEC 8824-1EN 14662-4EN 14662-5EN 14662-2EN 14212EN 15549EN 14626EN 12966ISO 21215:2018ISO/IEC 8825-2:2015CEN/TR 17143:2017
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