Beckman Coulter MET ONE HHPC 2+ 0.5μ Particle Counter

Met One HHPC-6 Airborne Particle Counter

Met One Instruments GT-521 GT521 Particle Counter 9VDC Made in USA

Used MET ONE 227B Handheld Air Particle Counter With humidity/temperature probe

Particle Measuring Systems Airnet 301 Aerosol Laser Particle Counter

Met One 227B Handheld Laser Particle Counter OFFER!!

Met One Water Particle Counter PCX CE w/ Display 2083475-03 115V 2u 100mL/mn S43

Met One HHPC-2 Handheld Particle Counter