Portable dust concentration measuring instrument

Functional features: 1. 12864 LCD screen displays dust mass concentration (mg/m3); 2. Laser anti attenuation technology using laser scattering principle for precise measurement; 3. Button operation, adjustable alarm setting value, can adjust the measuring instrument without opening the cover, easy to operate; 4. Data storage capacity: 20000 sets of data, can be used as a USB flash drive to read alarm records when connected to a computer; 5. Dust over limit setting alarm function; 6. High accuracy and detection sensitivity at the level of similar domestic products; 7. Easy to operate and maintain;