SUGOLD Y09-550 Factory Laser Airborne Particle CounterY09-550 Laser Airborne Particle Counter is used to measure the volume of air inside the clean environment of dust particles in size and number, can be directly detected cleanliness class A area, B-class area clean environment. Y09-550 laser particle counter use a semiconductor laser light source, a large touch-screen display, small size, light weight, high precision, features simple operation, microprocessor control, storage, printing the measurement results, the test environment is very clean convenient. In addition, special software can be downloaded via computer to store data. Our products are widely used in medicine, optical, chemical, food, cosmetics, e-health, biological products, aerospace and other sectors.