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I need to certify my cleanroom. Which particle counters are best for this?

The LASAIR II or LASAIR III series is recommended. They include firmware that automatically generates cleanroom certification reports for ISO, EC GMP, and FS-209e.

If your cleanroom meets ISO Class 3 (FS-209e Class 1) or greater, the Lasair III 310C may be used. Plus, the Lasair III 310C may be used to demonstrate continued compliance.

If your cleanroom meets ISO Class 1-2 (no FS-209e class exists), the LASAIR II - 110 is the only choice (due to the ability to monitor 0.1 µm particle limits. Plus, the Lasair II 110 may be used to re-certify all classes of cleanrooms.

For more information read Selecting Airborne-Particle Counters for ISO Certification of Cleanrooms .

Lasair III Portable Particle Counter