The Particles Plus 7501 Remote Particle Counter measures 0.5 to 25 µm

with a flow rate of 0.1 CFM (2.83 LPM) and can display up to 6 particle size

channels as well as temperature and humidity data on it’s 4.3” color touch screen.

This instrument has a built-in vacuum pump and can be used as a

stand-alone battery operated unit or as a real-time particle counter in continuous mode.