The Airnet^® II 4 Channel Air Particle Sensor meets the specifications of ISO 21501-4 to measure the size and number of particles suspended in the air for real-time monitoring of defect-causing particles. A simple and cost-effective way to monitor your cleanroom, the Airnet II Particle Sensor provides unparelled performance with data transmission capabilities for remote monitoring. Versatile power options combined with an ultra-small footprint makes the Airnet II Air Particle Sensor easy to install right where you need it.