Particle Laser Sensor Accurate PM2.5 Air Quality Monitor Dust Detector Module Digital Output Item Type: Particle Laser Sensor Material: Metal Application: Suitable for handheld and portable intelligent detection instruments and equipment Technical Parameters: - Effective Range: 0–500 µg/m³ - Maximum Range: 1000 µg/m³ - Particle Mass Concentration Resolution: 1 µg/m³ - Minimum Resolution Particle Size: 0.3 µm - Consistency (PM2.5 Mass Concentration): ±10% at (100–500) µg/m³; ±10 µg/m³ at (0–100) µg/m³ - Test Conditions: (25±5)°C, (50±10)% RH, standard test environment - Response Time: ≤3 s - Data Interface: UART at 3.3 V - Interface Level: - High Level Input Voltage (VIH): 1.8 V to 5 V - Low Level Input Voltage (VIL): 2.9 V - Low Level Output Voltage (VOL):