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$QI95YPERFORMANCE
Cell Counting Range
Cell Size Detection Range
Counting Accuracy
Throughput (cells/hour)
Viability Detection Accuracy
Minimum Sample Volume
Thermo Fisher Scientific Countess 3 FL
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$98KS6PERFORMANCE
Cell Counting Range
Optimal: 1 × 10⁵ – 1 × 10⁷ cells/mL; Extended: 1 × 10⁴ – 1 × 10⁸ cells/mL
Cell Size Detection Range
~4–60 µm
Counting Accuracy
AI/deep learning; CV <5%; comparable to flow cytometer
Throughput (cells/hour)
~120 samples/hour (<30 sec/sample)
Viability Detection Accuracy
Brightfield (Trypan Blue); Fluorescence (AO/PI ReadyCount stains)
Minimum Sample Volume
10 µL