Features 1、Laser scattering principle for accurate measurement. 2、The sensor is factory-executed to perform 100% inspection and calibration; constant wind pressure and flow adaptive control system. 3、The optical system adopts high-performance laser module and photosensitive component; it adopts long-life, ultra-quiet fan. 4、The depth algorithm is used to optimize the compensation to ensure stable and consistent test results in different environments. 5、Anti-dust sensor structure design,passed EMI, EMC testing, and passed reliability testing. 6、Ultra-thin design for handheld and portable intelligent instrumentation and equipment. 7、The direction of the inlet and outlet is optional, and the scope of application is wide. Specification Item Type:Particle Concentration Sensor Model:PM-G7 Detectable Gas Type: PM2.5 Effective Range: 0-500μg/m³ Maximum Range: 1000μg/m³ Particle Mass Concentration Resolution: 1μg/m³ Minimum Resolution Particle Size: 0.3μm Accuracy: 10% Response Time: ≤3s Data Interface: UART@3.3V Working Current: ≤100mA Output Type: Serial Port Working Temperature: 50 (°C) Shell Material: Iron Size:48 x 37 x 12mm / 1.89 x 1.46 x 0.47in Package List 1 x Sensor 1 x Base