MET ONE HHPC+ Handheld Air Particle Counter Series

The MET ONE HHPC+ Series handheld particle counters are designed for fast, accurate monitoring in cleanroom and controlled environments—especially in hard-to-reach areas. Lightweight and built for single-hand operation, they’re ideal for routine monitoring, spot-checking critical zones, identifying particle sources in production lines, and troubleshooting filter leaks. Whether you’re working in a mini-environment or maintaining ISO Class 5 to 7 cleanrooms, the HHPC+ Series provides the portability and precision needed for contamination control.

Key Features

  • Cleanroom-Ready Performance Supports cleanroom classification from ISO Class 5 to 7 with precise particle detection.
  • Wide Detection Range Measures particles from 0.3 μm to 10.0 μm with models offering 2 to 6 channel configurations.
  • Compact, Ergonomic Design Lightweight and built for single-hand operation, perfect for use in mini-environments or confined spaces.
  • High-Resolution Display Easy-to-read color screen provides clear visualization of real-time particle counts.
  • Flexible Data Transfer Connect via Ethernet, USB, or direct cable for efficient data access and analysis on your PC.
  • Regulatory Compliance Meets ISO 14644-1 cleanroom standards and uses 21 CFR Part 11 features to enable support for electronic records compliance.

Benefits

  • Enhanced Mobility Portable design lets users quickly reach tight spaces and critical control points without interrupting workflow.
  • Faster Troubleshooting Rapidly isolate particle contamination sources or filter leaks to minimize downtime and maintain product quality.
  • Improved Data Integrity Digital transfer options support 21 CFR Part 11 compliance for audit readiness and accurate reporting.
  • Versatile Monitoring Suitable for cleanrooms, laminar flow benches, isolators, and process equipment.


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Content and Resources

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Classifying a Small Cleanroom using the MET ONE HHPC 6+ This applications note will demonstrate the classification of a small ISO Class 5 Clean room and associated ISO Class 7 gowning room using a MET ONE model HHPC 6+ handheld particle counter. Reference will be made to the ISO 14644-1 clean room classification standard with regards to sample size, locations selected, limits and calculations necessary to determine the compliance status of the clean zone to ISO 14644-1 Class 5.
Introduction to MET ONE HHPC+ Air Particle Counter eLearning eLearning (10 minutes): This course provides the background, theory and recommendations for instrument set-up for the handheld MET ONE HHPC+.

Technical Documents

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