YOUR ONE-STOP-SHOP FOR Sensor SolutionsFor gas measurement and control.
![](http://gaslab.com/cdn/shop/t/14/assets/img-latestarticle.jpg?v=66996220563799058971612883277)
Air Particle Counter Sensors use Lasers to Detect PM2.5
Optical particle counters use lasers to detect particulate matter in the air. How do they work?