The BOULDER COUNTER portable airborne particle counter offers a sensitivity of 5 microns at a flow rate of 1.0 CFM (28.3 LPM) and a wide dynamic range of 5 to 100 microns. With its 5.7-inch (14.47 cm) color touch screen, the BOULDER COUNTER is easy to configure and operate. It can store 3,000 records of particle count data from 6 channels and environmental data from up to 4 sensors (4-20 mA). All data can be quickly and reliably transferred to a computer or printed on its built-in thermal printer. Demonstrating its versatility, the BOULDER COUNTER can be used as a portable instrument or integrated into a facility monitoring system.