A true Laser Particle Counter with 2 size ranges (>0.5 & >2.5 microns) – small (bacteria, mold, etc) large (pollen, etc.)

The LCD screen provides small (>0.5 micron) and large (>2.5 micron) particle concentrations along with a dynamic bar graph showing instantaneous particle activity.

Like earlier models in has multiple modes including minute, hour, day and monitor to evaluate your air quality, but also includes the following improvements:

• Battery Operation
• PC Interface Included
• Large Internal Memory
• Real Time Clock
• EMI Shielding Included
• Rapid Update