Dust Particle Counter, Professional Particulate Matter Tester Air Quality Dust Particle Monitor for Indoor Outdoor

Large Battery Capacity: This instrument has 2000mah battery capacity, long battery life. ABS material, strong and durable Principle: The instrument uses the principle of laser scattering to accurately measure the number and quality of different particle sizes in the air per unit volume Fast Test Speed: Designed to detect the number of dust particles per unit volume in a clean environment, with many functions, high test accuracy, fast speed, easy to carry Real Time Recording: A sampling can measure the dust particle number of six particle sizes at the same time, and the detection results can be recorded in real time, which can be used for research, detection and evaluation of various environments