Features Simultaneously measure and display 6 channels of particle sizes (down to 0.3µm), Air Temperature, Humidity, Dew Point and Wet Bulb 2.8" TFT Color LCD display Built-in 320x240-pixel camera takes videos (3GP) and photo images (JPEG) and records them in internal 74MB memory Store 5000 records (date, time, counts, humidity, temperature, sample volumes, and location label) and 20 minutes of video Selectable sample time, count data, and programmable delay Max, Min, DIF, AVG record, Date/time setup controls, Auto Power Off Mini-USB port connection Complete with NIST-traceable calibration certificate, Universal AC Adapter/Charger with multiple plugs, USB cable, PC software, tripod, filter, 7.4V NiMH battery and hard case Specifications Particle Size Channels: 0.3, 0.5, 1.0, 2.5, 5.0, 10µm Flow Rate: 0.1ft3 (2.83L/min) controlled by internal pump Count Modes: Cumulative, Differential, Concentration Counting Effeciency: 50% @ 0.3µm; 100% for particles>0.45 Coincidence Loss: 5% @ 2,000,000 particles per ft3 Air Temperature: -14 to 140ºF (-25 to 60ºC); Accuracy:±2ºF/1ºC Relative Humidity: 0 to 100%RH; Accuracy:±3%RH (40% to 60%RH) Dew Point/ Wet Bulb: 32 to 122ºF (0 to 50ºC) Dimensions/Weight: 9.4 x 3 x 2.2" (240 x 75 x 57mm)/1.26lbs (570g) The VPC300 is a Video Particle Counter with built-in Camera. Measures up to 6 channels of particle sizes plus air temperature and relative humidity. Used for capturing videos and photos that are stored onto internal memory or a micros card. The VPC300 can measure up to 6 channels of particle sizes plus air temperature and relative humidity. Use the included software to generate reports with videos, photos and data points. Complete with NIST-traceable calibration certificate, Universal AC Adapter/Charger with multiple plugs, USB cable, PC software, tripod, filter, 7.4V NiMH battery and a hard, protective case.