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Cellometer Mini. The Most Affordable Option for Accurate, Automated Cell Counting

The Cellometer Mini is a PC-based automated cell counter for 4x bright field image capture and analysis that performs cell count, size, and Trypan Blue viability measurements. The most affordable cell counter available today, the Mini produces quick and accurate cell counts in less than 10 seconds using cell lines and purified primary cells with advanced software that analyzes clumpy cells and omits debris.

Cell Viability in <10 Seconds

The Cellometer Mini utilizes bright field imaging and pattern-recognition software to quickly and accurately identify and count individual live cells and dead cells stained with Trypan

Blue. Cell count, concentration, diameter, and % viability are automatically calculated and reported in <10 seconds … in only 3 seconds with some computers!

Fast, Simple, Accurate Analysis

Load Sample

load sample

Insert Slide

insert slide

Select Assay, Count

select assay and count

View Images

view counted cell images

Get Results

get results

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Counted Cell Images for Data Verification

Counted cells can be viewed on-screen for verification that cells in the sample are being imaged and analyzed properly.

Users can confirm that:

  • cells are counted correctly, based on size and shape
  • debris is excluded
  • cells within clumps are being counted individually
counted cell image shows live and dead cells

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Small Footprint, Compatible with Most Computers

The Cellometer Mini is designed to fit in even the smallest lab space. Cellometer software can be loaded on most computers* and linked to the Cellometer Mini with a special USB cable.

*Minimum Recommended Computer Specifications
2.2 GHz or higher
USB 2.0 port
1024 x 768 pixel display
Windows XP, Vista, Windows 7, or Windows 8 (?)


Cellometer Mini software is compatible with touchscreen laptops and computers.

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Analyze Individual Cells in Clusters and Irregular-Shaped Cells

count clumpy cells

Clumpy Cells

The Cellometer pattern-recognition software identifies and counts individual cells within cell clusters for the most accurate cell counts. One example is the counted image of A549 cancer cells shown at right.

count irregular shaped cells

Irregular-shaped Cells

The Cellometer cell roundness setting can be adjusted for recognition and counting of irregular-shaped cells, such as RD cells, activated T-cells, and skin cancer cells like the SK-MEL-2 cells shown at right.

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Cell Size Analysis & Size-based Counting

The Cellometer Mini automatically generates a cell size histogram based on cell diameter.

The minimum and maximum cell diameter settings can be optimized to exclude debris or very large cells, or to count specific cells in a sample.

cell size histogram

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Faster and More Precise than Manual Counting

Hemacytometer Under Microscope

Counting 1 x 106 cells takes approximately 5 minutes with a manual hemacytometer. Counting live and dead cells sometimes takes twice as long. The Cellometer Mini reports count and concentration for live and dead cells and % viability in <10 seconds … more than 25 x faster than manual counting!

Improve Data Accuracy & Consistency

  • Eliminate Wash Steps
  • Eliminate Judgment Errors
  • Eliminate Recording & Calculation Errors
  • Reduce Inter-Operator Variability
  • Standardize Data Reporting
  • Reduce Counting Time … Run More Experiments

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Counting Chambers - No Washing or Contamination

Cellometer cell counting chambers

Cellometer Disposable Counting Chambers consist of two independent enclosed chambers with a precisely controlled height. Cell suspension of 20 microliters is loaded into the chamber using a standard single channel pipette. The chamber is inserted into the Cellometer cell counter and the cells are imaged directly from the chamber.

The disposable Cellometer Cell Counting Chambers offer several key advantages:

  • Time savings – no washing
  • No risk of cross-contamination
  • Reduced biohazard risk to users
  • Controlled sample volume

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Easily Print & Save Data and Cell Images


Print directly from the software screen. The standard printout displays live, dead, and total cell count and concentration, % viability, and cell images. Select the Auto-Print setting to automatically generate a report for each cell count.


Easily Save data and images to a network, local computer, or data stick. Choose to Auto-Save data, raw images, and / or counted images to a network, local computer, or data stick.

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Dedicated On-line and On-site Applications Support


Experienced Nexcelom Technical Support Specialists are available from 9am to 5pm EST for phone and on-line support and can assist with:

  • Creation of new cell types
  • Optimization of counting parameters
  • Troubleshooting
  • Training of new users
  • Installation of a new Cellometer Mini Cell Counter

All Cellometer users can submit on-line training requests at here or contact Nexcelom Technical Support at +44 (0) 161 232 4593 or

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