1. Accurate Detect: This air detector uses the scattering principle to accurately measure the number and mass of different particle sizes of dust per unit volume in the air. 2. Diverse Funct: This air tester has a compact design with many functs, high testing accuracy, speed, portability and ease of use. 3. Real Time Result: The air tester can measure the number of dust particles in 6 particle sizes at the same time in one sampling, and the results can be recorded in real time, which is very convenient for studying, testing and evaluating various clean environments. 4. ABS Housing: The housing of the air detector is made of ABS material, which has outstanding cold resistance, abras resistant, toughness, etc. 5. Wide Applicat: The air detector can be widely used in microelectronics, medical and pharmaceutical, biochemical products, food hygiene, cosmetic products, accuracy machinery, fine chemicals and other sectors, Manufacturer: SLZJWLPPA