Profile: Lighthouse Worldwide Solutions is a supplier of real time contamination monitoring systems and airborne particle counters. We are ISO 9001:2000 certified. Our hand-held 3013 airborne particle counter offers 3 channels of simultaneous particle counting, and displays both cumulative & differential particle count data on the 2.7", 128x64 OLED screen. It has a rechargeable battery that allows up to eight hours of continual operation. The Solair 1001+ airborne particle counter offers a sensitivity of 0.1 micro,n with a flow rate of 0.01 CFM (0.283 LPM). It can store 3,000 records of particle count data from 8 channels, and data from up to four 4-20 mA environmental sensors.