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electrochemical sensor

Sensirion SFA40 Formaldehyde (HCHO) Sensor Module
Sensirion SFA40 Formaldehyde (HCHO) Sensor Module

Sensirion Announces Global Availability of the SFA40 Formaldehyde Sensor

Sensirion SFA40 is a miniature electrochemical formaldehyde sensor designed for accurate indoor air quality monitoring, featuring exceptional HCHO selectivity, ultra-low power, and a 6+ year lifetime.