Best Seller | EXTECH VPC300 Video Particle Counter Particle Counter, Calibration Certificate Type NIST, Coincidence Loss 5 Percent at 2,000,000 particles per cu ft, Testing Functions Air Temperature, Dew Point, Relative Humidity, Wet Bulb Temperature, Number of Channels 6, Number of Records Stored... ... more EXTECH VPC300 Video Particle Counter Particle Counter, Calibration Certificate Type NIST, Coincidence Loss 5 Percent at 2,000,000 particles per cu ft, Testing Functions Air Temperature, Dew Point, Relative Humidity, Wet Bulb Temperature, Number of Channels 6, Number of Records Stored... | | $2,000.90 go to store |