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Artificial intelligence takes cell counting to a higher level

The Invitrogen Countess 3 and Countess 3 FL automated cell counters deliver fast, accurate, and reproducible cell counts by minimizing the subjectivity and inefficiency of manual hemocytometer methods. Designed with input from cell biologists and advanced machine learning algorithms, these systems support both brightfield and fluorescence counting for a wide range of sample types, including challenging cells and nuclei. Features like rapid image capture, autosave, and built-in calculators streamline workflows, while optional 21 CFR Part 11-ready software helps support compliance in regulated environments—making the Countess 3 automated cell counters powerful upgrades for modern laboratories.

 

Countess 3 Automated Cell Counter: a compact cell culture automated cell counter for reliable brightfield cell counting and viability measurements.

 

Countess 3 FL Automated Cell Counter: a compact automated cell counter for reliable brightfield and fluorescence cell counting, viability, and fluorescent measurements with two interchangeable light cubes.

Countess 3 automated cell counter capabilities

Accurate and precise cell counting and viability

Algorithms developed by cell biologists and refined using artificial intelligence offer the accuracy of hemocytometer counts and the precision of flow cytometer counts.

Fast and simple workflow

Produce results in less than 30 seconds, helping save precious time in the cell culture lab with minimal training. 

Rich fluorescence applications

Go beyond simple cell counting to advanced viability, apoptosis, transfection efficiency, florescent protein expression and more with the help of Countess 3 FL Automated Cell Counter using florescent reagents in as few as 30 seconds.

Less variability than manual counting

Tired of the tedium? Help your lab move beyond manual cell counting and confidently into the future of cell counting with Countess automated cell counters.

GMP ready—21 CFR Part 11 compliant

The Countess SAE Software Solution is an optional module that enables electronic record-keeping aligned with FDA 21 CFR Part 11, which requires both technical controls and institutional procedural practices.

Greener by design

Make a positive impact on the planet while maintaining efficiency in your lab with environmentally-friendly solutions like the Countess Reusable Slide and SafeCount Cell Viability Stain.

For Research Use Only. Not for use in diagnostic procedures.