MET ONE just got faster! MET ONE 3400 Series 

MET ONE 3400 Series, Portable Air Particle Counters

The MET ONE 3400 Series is available in 1 CFM, 50 LPM and now 100 LPM flow rates. The new 100 LPM MET ONE 3445 takes just ten minutes to collect 1 m3 samples required to certify Grade A areas per the EU GMP Annex 1 guidance.

Key Features

  • Intuitive User Interface: Easy area, location, operating parameter configuration and replication
  • Sampling Plan Wizard: ISO 14644 and Annex 1 compliance in a few clicks
  • 21 CFR Part 11 Compliance: Paperless secure data transfer
  • Unit-to-Unit Accuracy and Reproducibility: Assured through ISO 21501 compliance
  • OPC Server Enables Open Communication Architecture: Industry standard connectivity to data management software
  • Flexible Communications: Wireless, Ethernet, Serial and USB
  • Long Continuous Operation: Dual hot-swappable batteries


The new MET ONE 3445 is faster, easier-to-use and more reliable than ever before.