Air Particle Counter


Air particle counter with a built-in camera to capture photos and videos.


This Air Particle Counter offers quick and accurate measurements of particle sizes down to 0.3µm. The R9930 also measures air temperature, relative humidity, dew point, and wet bulb. Using the included 8GB Micro SD memory card, a user can capture videos, images, and particle logs which can be further analyzed with the included software.


  • Displays up to 6 particle sizes down to 0.3µm
  • Ambient air temperature, humidity, dew point and wet bulb temperature measurement
  • 2.8" TFT color LCD display
  • Take photos and record video with built-in camera
  • Selectable sampling time, count data, and programmable delay
  • Export data to PC with included USB cable
  • Low battery indicator and auto shut-off


Particle Counter
Channels0.3, 0.5, 1, 2.5, 5, 10µm
Flow Rate0.1ft3 (2.83L/min)
Counting Efficiency50% for particles of 0.3µm;
100% for particles >0.45µm
Coincidence Loss5% at 2000,000 particles per ft3
Data Storage5000 sample records (Micro SD card)
Count ModesCumulative, Differential, Concentration
Air Temperature and Relative Humidity
Air Temperature Measuring Range32 to 122°F (0 to 50°C)
Accuracy50 to 104°F (10 to 40°C): ±0.9°F (0.5°C)
32 to 50°F (0 to 10°C): ±1.8°F (1.0°C)
Dewpoint Temperature Measuring Range32 to 122°F (0 to 50°C)
Accuracy50 to 104°F (10 to 40°C): ±0.9°F (0.5°C)
32 to 50°F (0 to 10°C): ±1.8°F (1.0°C)
Relative Humidity Measuring Range0 to 100% RH
Accuracy40 to 60%: ±3% RH
General Specifications
Display2.8" 320 x 240 pixel TFT Color LCD
Real-Time Clock and Date StampYes
External MemoryYes, expandable up to 8GB with Micro SD Card (optional)
AlarmsYes (audible)
Auto Shut-OffYes (adjustable)
Tripod MountableYes
PC InterfaceUSB
Power SupplyUniversal AC adapter/charger; 7.4V rechargeable battery
Battery LifeApprox. 4 hours of continuous use
Battery Charge TimeApprox. 2 hours with AC adapter/charger
SoftwareYes (download from website)
Software OS CompatibilityWindows 7/8/10/11
Supported LanguagesEnglish, French, Spanish and German
Product CertificationsCE
Operating Temperature32 to 122°F (0 to 50°C)
Storage Temperature14 to 140°F (-10 to 60°C)
Operating Humidity Range10 to 90% RH non-condensing
Max Operating Altitude6561' (2000m)
Dimensions9.4 x 3 x 2.2" (240 x 75 x 57mm)
Weight1.26lbs (570g)

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