Met One Aerocet-531S Mass Particle Counter/Dust Monitor Turbidity Meters Integrated screw thread allows for

Integrated screw thread allows for easy mounting onto a backpack or range pole

and now wireless locating with adjustable frequency

Auto-zeroing pressure sensor reduces user-steps and saves time

twice for calibration

Met One Aerocet-531S Mass Particle Counter/Dust Monitor Turbidity Meters Integrated screw thread allows for2 in 1 performance! Particle Mass Profiler and Counter in a Single Handheld Unit The Aerocet 531S is a small, handheld, battery operated, and completely portable unit. This unit provides particle counts or mass PM measurements as stored datalogged values, real time networked data, or printed results. Six Mass Ranges and Four Particle Sizes Six important mass size ranges (PM1, PM2. 5, PM4, PM7, PM10, and TSP) are displayed in mass mode as well as four