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The LD11-TH module integrates PM2.5 and formaldehyde sensors for full environmental monitoring. It utilizes laser scattering for particles and electrochemical principles for detecting formaldehyde in the air.
Integrating PM2.5, VOC, and temperature/humidity sensors, the LD11-TVHC environmental sensor module achieves comprehensive air quality monitoring. It uses semiconductor gas detection and digital humidity-sensitive capacitance for fast response and strong anti-interference.