Particle Counters

 A particle counter is an instrument that detects and counts particles. By its very nature a particle counter is a single particle counter, meaning it detects and counts particles one at a time. The nature of particle counting is based upon either light scattering, light obscuration, or direct imaging.

Particle counters are the perfect economical tool for spot checks in particle sensitive areas. It’s pre-programmed with ISO standards to certify cleanroom operations. The instrument can also be used to check the effectiveness of filters (such as HEPA) or as an initial investigation tool for IAQ studies, including mold remediation.

handheld-particle-counter-model-3887-13-channel Handheld Particle Counter

The Model 3888 (3-channel) and 3889 (6-channel) Handheld Particle Counters utilize the same, proven parts that made the original Handheld Particle Counters so reliable. The instruments meet/exceed new ISO 21501-4 Standards and are fully RoHS compliant. The instruments now have a base/stand for advanced communication capabilities (Wi-Fi, Ethernet, RS485), a larger, full color touchscreen display, and enables real time monitoring while connected to a PC.


  • Large, 4.3-inch full-color touchscreen
  • 0.3 micron minimum sensitivity
  • Store up to 10,000 measurements
  • Compact and Light weight
  • Remote control software
  • NIST traceable calibration included

handheld-condensation-particle-counter-300x300Programmable data-logging capabilities Power Supply can be selected from alkaline/Ni-MH battery or AC adapter


  • 15 nm sensitivity
  • Concentration range of 0 to 100,000 particles/cm3
  • Programmable data-logging capabilities
  • Power Supply can be selected from alkaline/Ni-MH battery or AC adapter
  • Simple to download the data to your computer via USB

portable-particle-counter-1-300x300The 3910 & 3905 are featherlight 6-channel portable particle counters with a 50LPM and 1 CFM flow rate respectively and a 0.3micron sensitivity.

An optional Climomaster environmental sensor provides the ability to measure air velocity, temperature and humidity making these instruments the ultimate tools for cleanroom certification.


  • 28.3 lpm (1.0 cfm) or 50 lpm (1.77 cfm) flow rate speeds the sampling process
  • Simultaneously measures and displays up to 6 particle sizes from 0.3 to 10 microns
  • Fully compliant with ISO 21501-4 calibration standard
  • Enables you to certify cleanrooms up to ISO Class 2
  • 21 CFR Part 11 compliant with IQ/OQ documentation available
  • Built-in printer and onboard datalogging (up to 10,000 records)
View PDF for MODEL 3887!View PDF for MODEL 3886!View PDF for MODEL 3800!View PDF for MODEL 3910!
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