... at 0.1 CFM flow rate ¡¤ Available with six particle size channels ¡¤ Sample time is selectable from 1, ... channels give you flexibility to monitor atseveral particle diameters, using the same particle counter.A quiet carbon-free pump provides ... Rate: 0.1 cfm (2.83 lpm)Light Source: Laser diode, 30,000 hours MTBF (0.3 and 0 ... ManualSize: 236mmW x 280mmD x126mmHWeight: 4.5 Kg. AIRBORNE PARTICLE COUNTER