Article | March 20, 2026

Annex 1 Compliance Made Simple - Why Flow Rate Matters

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Meeting Annex 1 requirements for continuous viable air monitoring in Grade A environments has traditionally demanded multiple instruments: total particle counters, active air samplers, and settle plates. This creates complexity in critical zones where space is limited and every piece of equipment introduces potential contamination risk. Discover how biofluorescent particle counter technology addresses these challenges while maintaining the 28.3 lpm flow rate mandated by regulatory standards.

In the cleanest manufacturing environments, contaminants are exceptionally rare, making air sampling volume critical for detecting risk events before they compromise product quality. Learn why flow rate differences of 28x can fundamentally change your ability to identify viable particles in real time. Find out how a single monitoring solution can deliver continuous viable particle counts, total particle measurements, and sample collection for microbial identification, all while simplifying equipment footprints, reducing maintenance requirements, and strengthening compliance posture.

Understanding the technical capabilities that enable high-volume sampling without sacrificing fluorescence detection sensitivity is essential for optimizing aseptic manufacturing controls.

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