Air Particle Counters
Trusted Cleanroom & Environmental Monitoring Solutions
Approach Your Next Audit With Confidence
MET ONE air particle counters provide you with reliable air cleanliness monitoring, supporting compliance with:
ISO 14644
FDA cGMP
EU GMP Annex 1
Available in portable, handheld or remote configurations, our counters integrate seamlessly into your SOPs to support:
Aseptic fill monitoring
Routine environmental monitoring
Cleanroom and flow bench validation
Cleanroom classification
Air filtration troubleshooting
Choose the right particle counter for your workflow.
From handheld to online, select your airborne particle counter
Our portfolio ranges from handheld instruments to portable particle counters and solutions designed for integration into online systems.
Portable: MET ONE 3400+ Airborne Particle Counters
Automated routine monitoring for GMP cleanroom compliance.
- Interactive SOP maps that help reduce errors
- Secure audit trails & electronic records
- Lightweight, whisper‑quiet design
- ISO 14644 and EU GMP Annex I reporting
- Measuring range: 0.3 – 25 µm
- Flow rate: 28.3 – 100 l/min
Remote: MET ONE 6000 Air Particle Counter
Continuous monitoring in critical environments.
- Compact design with flexible flow rates
- Easy integration into facility systems
- Reliable 24/7 performance
- Measuring range: 0.5 and 5 µm plus optional sizes
- Flow rate: 2.83 – 28.3 l/min
Handheld: HHPC+ Air Particle Counters
Compact, affordable, and easy to use in hard-to-reach areas.
- ISO Class 5–7 cleanroom monitoring
- Plug-and-play data transfer
- Lightweight for routine checks
- Measuring range: 0.3 – 10 µm
- Flow rate: 2.83 l/min
Facility Monitoring Systems: MET ONE Integrated Air Particle Monitoring Solutions
Scalable online particle monitoring for your entire facility.
- Full suite of MET ONE air particle counters
- Integration software for centralized data management
- Supports compliance with ISO 21501 and 21 CFR Part 11
- On-site service options