The ParticleScan Pro is an advanced laser particle counter for the quick and accurate measurement of airborne particle concentrations in normal and polluted indoor and outdoor environments.         Minimum sensitivity  >0.3 micron Size channels (user selectable) >0.3 / >0.5 / >0.7 / >1.0 / >2.0 / >5.0 micron Differential size channels (user selectable) 0.3 - 0.5 / 0.5 - 0.7 / 0.7 - 1.0 / 1.0 - 2.0 / 2.0 - 5.0 micron Flow rate 0.025 cfm (0.7075 litre / min) Data logging function YES Exhaust air Not filtered Measurement unit (user selectable)  particles per cubic foot, particles per litre or particles per cubic meter Sample time 6 seconds, update every 6 sec Readout 8-digit LED display Dimensions (L x W x D) 205 x 103 x 57 mm Weight 850 g Applications   Monitor indoor and outdoor particle concentrations   Track down particulate pollution sources   Evaluate effectiveness of pollution control measures   Spot-check particulate pollution levels at the workplace   Demonstrate & compare filter efficiency of air & vacuum cleaners   Inspect HVAC equipment & ducting   Log air pollution levels for reporting & record keeping   Analyse logged data for remedial action   Store, organise, analyse & print data in spreadsheets   Display & communicate air pollution levels effectively in graphs Supplied Accessories   Transport case for field use   Isokinetic probe for accurate sampling   Purge filter for cleaning & zero calibration   Mains power adaptor / NiMH battery charger   Instruction manual   Calibration certificate   CD-ROM with ParticleTrakTM software for data logging onto PC      and PalmTM   PC serial cable for data transfer to PC   PalmTM serial adaptor for data transfer to Palm OS hand-held      computers