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Boulder Counter Airborne Particle Counter

With a wide dynamic range of 5-100 microns, the Boulder Counter is extrememly effective for monitoring larger sized particles...

The Boulder Counter can store 3,000 records of particle count data from 6 channels and environmental data from up to 4 sensors (4-20mA).  This data can also be transferred to a computer or printed on the instrument's built-in thermal printer.  With its easy to read, 5.7", color touch screen, the Lighthouse Boulder Counter is an effective and efficient portable particle counter.  The instrument can also be integrated into a facility monitoring system, showing its versatility. 

The Boulder Counter offers a sensitivity of 5 microns at a flow rate of 1.0 CFM (28.3 LPM) and a wide dynamic range of 5 to 100 microns. 

Designed and built by Lighthouse Worldwide Solutions, this is a product you can trust.


  • 5-100 Ám sensitivity
  • 1.0 CFM (2.83 LPM) flow rate
  • View up to 6 particle sizes simultaneously
  • Meets JIS Standards
  • 5.7' (14.47cm) Color Touch Screen Interface
  • Removable/Rechargeable Li-Ion Battery
  • Large Memory for Storing Data (3000 samples)
  • Up to 4 environmental sensors (4-20 mA)
  • Alphanumeric Location Labels
  • Easy to Load Thermal Printer
  • User Definable Printouts
  • Deigned for Reliability
  • Data Reported in Normalized Counts, FS-209E and ISO-14644-1
  • Easily Configurable Interface with Zoom Capability
  • Internal Audible Alarm
  • External Alarm Trigger
  • Data Easily Downloaded to Computer


  • 2 Year Warranty
  • Easy to Read Display
  • User-Friendly Interface
  • International Support
  • Low Cost of Ownership
  • Small Footprint

The Lighthouse Boulder Counter can be used as a portable instrument or be integrated into a facility monitoring system. 

Lighthouse Boulder Counter: Portable Particle Counter.

for Technical Specs


  • Aerospace Flight and Space Hardware Manufacture
  • Aerospace Precision Engine Manufacture
  • Flat Panel Display Manufacturing
  • Medical Deivce Manufacturing
  • Automotive Precision Machining and Paint
  • Paint Spray Booths
  • LCD Industry
  • Automotive and Aerospace painting and finishing

See the particle size chart
Particle Size Chart.

Lighthouse Boulder Counter: Portable Particle Counter.

Lighthouse Boulder Counter Features.

Click here for all particle counters.
Click below for other types of air particle counters.

Handheld Laser Particle Counters

Portable Air Particle Counters

Remote Airborne Particle Counters

Manifolds/Specialty Particle Monitoring

Facility Monitoring Systems & Software

See our complete selection of air monitoring equipment if you are interested in other types of air testing equipment other than particle counters.

If you have any questions, call us, we'll be glad to help!


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