Lasair® III 110 Airborne Particle Counter

Sensitivity range: 0.1 – 5.0 μm

The only true 0.1 micron particle counter

The Lasair® III 110 is a laser diode-based true 0.1 μm particle counter with 1.0 CFM flow rate. With a comprehensive set of features and unequalled accuracy, the Lasair III 110 offers reduced operating costs and the reliability and longevity to support its three-year laser warranty. View the Lasair® III-110 Particle Counter specs below.


  • Diode laser
  • Eight user-adjustable size channels from 0.1 to 5.0 μm
  • Saves up to 10,000 samples for review, sorting, data filtering and printing
  • USB data download to flash memory key
  • Built-in thermal printer
  • Large, 8.4 in. color touchscreen display for simplified use
  • Quiet carbon-free blower/pump for portable applications
  • Integrates up to four environmental sensors; differential pressure, temperature and relative humidity, air flow velocity and more
  • Optional high-efficiency exhaust filter for ISO Cleanroom Class 1-2
  • Available in 12 language so you can use the same instrument and process across language barriers
  • Calculations and reports for ISO 14644-1 or FS 209E
  • Interfaces with FacilityNet Software for comprehensive data management


  • Saving/reloading recipes reduces time to certify your cleanroom, and reduces risk for errors
  • Control airborne cleanroom particle monitoring remotely via web browser: set-up, sample, display, print, download data and upload sample recipes without having to re-enter the cleanroom
  • Comprehensive cleanroom data management
  • Data download to Excel or USB flash memory key
  • Use same airborne particle counter for ISO Class 1-9 applications
  • Diode laser eliminates need for frequent, costly laser cleaning
  • Optional critical orifice configuration can use house vacuum for aerosol manifold applications


  • Cleanroom and minienvironment airborne particle monitoring
  • High-sensitivity applications
  • Facility certification to ISO 14644-1 or FS 209E
  • Troubleshooting/mobile applications
  • Manifold sampling (with Aerosol Manifold II)
  • Process gas monitoring (with High Pressure Diffuser)
  • Ultraclean zones (ISO 1-2)

Additional information

Product Type

Portable, Sequential Monitoring


Air, Compressed Gases


Cleanroom Certification, Production Monitoring

Smallest Particle Size

0.1 µm

Flow Rate

1 cfm/28.3 lpm

Supporting Materials