Measured Parameters: PM1.0, PM2.5, PM10, CO, CHO, O, CO, NO, TVOC, Temperature, Humidity Sensing Methods: Laser scattering, NDIR, electrochemical, and semiconductor Measurement Range: PM: 0ï1000 ïg/mï CO: 0ï5000 ppm CHO: 0ï6.25 mg/mï O: 0ï10 ppm CO: 0ï500 ppm NO: 0.1ï10 ppm Accuracy: Typical ï10ï20% depending on parameter Output Interface: UART (TTL level) Supply Voltage: 5 V DC Operating Conditions: ï10 C to +50 C; 15ï80% RH non-condensing Applications: Smart HVAC, air purifiers, home automation, and environmental monitoring

Measurement Range: 0 “ 200ppm Resolution: 0.1ppm Response Time: T90 < 20 sec. Output: 3.3V UART digital signal Working Voltage: 3.3 “ 5.5V DC Weight: < 15g Dimensions (with sensor): 40mm x 30mm x 12mm