Handheld particle counter

Met One HHPC 2+ Handheld Airborne Particle Counter 2-Channels USB with Charger

Beckman Coulter MET ONE HHPC 2+ 0.5μ Particle Counter

MET ONE LASER PARTICLE COUNTER Model 237B HACH + ISOKINETIC PROBE+ CHARGER

Lighthouse Worldwide Solutions Handheld 3016 Particle Counter with Case

Lighthouse Handheld Airborne Particle Counter Handheld 5016

Kanomax 3887 Handheld Laser Particle Counter

Met One Laser Particle Counter Model A2400