Sensirion SFA30-D-T is a formaldehyde detection module

https://www.electronics-lab.com/sensirion-sfa30-d-t-is-a-formaldehyde-detection-module/

Formaldehyde Sensor Module for HVAC and Indoor Air Quality Applications SFA30 is a formaldehyde detection module based on electrochemical sensing technology optimized for lowest false alarm rates. The SFA30 HCHO sensor has alow cross-sensitivity to ethanol and is optimized to operate in the low parts-per-billion (ppb)range to accurately detect low HCHO concentrations around the WHO […]