Features: 1High Accuracy: Using high performance laser modules and photosensitive elements, the laser scattering sensor has high accuracy. 2Better System: Constant wind pressure and flow adaptive control system largely simplifies the operation, very stable as well. 3Reliable Work: In depth algorithm is used to optimize compensation and ensure consistent test results in different environments. 4Little Noises: No dirt retention structure with ultra quiet fan enables low working noise and quick cooling for efficient work. 5Practical Use: Compact size makes the tester ideal for hand held and portable intelligent detection instrument and equipment. Item Type: Particle Laser Sensor Material: Metal Application: Suitable for hand held and portable intelligent detection instruments and equipment. Technical ParameterTechnical Index Effective Range0-500ug/m3 Maximum Range1000pg/m3 Particle Mass Concentration Resolutionlug/m3 Minimum Resolution Particle Size0.3um Consistency (PM2.5 Mass Concentration) (25+5), (5010)%Rh, Standard Test Environment10%, at (100~500) ug/m3 10ug/m3, at (0~100) ug/m3 Response Time3s Data InterfaceUART at 3.3V Interface LevelHigh Level Input Voltage (VIH): 1.8V~5V Low Level Input Voltage (VIL): 2.9V low Level Output Voltage (VOL)