Sensirion’s SFA40 is a miniature, low-power formaldehyde sensor designed for air purifiers, air conditioners, and indoor air-quality monitors. With high selectivity, low cross-sensitivity, calibrated digital I²C output, and over six years of lifetime, it supports reliable long-term monitoring in compact devices.
Where air changes, Intelligent sensing listens, responds, and keeps every space Breathing Better!
Sensirion’s compact sensors deliver precise measurements for IoT devices, appliances, wearables, and industrial equipment, enabling reliable monitoring and automated control.
Sensor data enables the HVAC or purification system to respond according to changing air quality conditions, improving environmental control and operational efficiency across indoor spaces effectively.
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