MET ONE 3411 Portable Air Particle Counter

As surface geometry for storing massive amounts of data has dramatically decreased, particle monitoring for microelectronics manufacturers has become increasingly important. MET ONE 3411 portable air particle counters are designed to meet the unique demands of semiconductor cleanroom monitoring, process benchmarking and particle troubleshooting applications.

Portable air particle counter for ISO 14464 cleanroom verification in ISO 1 and 2 environments.

  • 0.1 micron sensitivity (range 0.1 μm-1.0 μm)
  • Sequential sampling with optional collector
  • Fan inactive during operation to minimize particle impact
  • Simplified interface for area, location & operating parameter configuration/replication

Choose a MET ONE 3411 Model



  • ISO 14644-1 Class 5 compliant sampling
  • ISO 21501-4 compliant for accurate process benchmarking & troubleshooting

Data Management

  • Wireless, Ethernet, Serial & USB communication
  • Printed or paperless data output
  • Open communication architecture


  • Up to 6 particle size channels (2.83 LPM flow rate (0.1 CFM)
  • Sequential sampling capability
  • Long-life laser technology for improved performance & lower operating costs


  • Semiconductor cleanroom classification & monitoring
  • Continuous environmental monitoring
  • Process troubleshooting

Product Specifications

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