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Thermo Fisher Countess II FL Automated Cell Counter
Thermo Fisher Countess II FL Automated Cell Counter

Our Price: $3,395.00

Condition: Fully Recertified and Tested to Perform at Manufacturer Specifications
Warranty: 180-Day Full Parts and Labor (Click for Info)
Typically Ships Within: 1 to 2 Business Days
Included Documentation: Phosphate-buffered Saline Calibration & Countess Test Beads Validation Report

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Quantity in Stock:4

Product Code: TF-CACC2FL

Recertification Protocol
Technical Specification Sheet

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Thermo Fisher Countess II FL Automated Cell Counter

1x10^4-1x10^7 cells/ml

Detection Method

Cell Size
4-60 um (detection), 7-70 um (viability)

  • High accuracy eliminates the subjectivity of manual cell counting
  • Fast in providing total cell count, viability and average cell size within as little as 10 seconds
  • Flexibility in ability to accept up to two EVOS light cubes to cover over twenty fluorescence channels
  • Convenient since not cleanup or routine maintenance is required
  • Simple user interface to provide quick startup and minimal training
  • Easy to transfer data and images to your PC

The Thermo Fisher Countess II FL Automated Cell Counter is a fully automated, 3-channel cell counter and assay platform that uses state-of-the-art optics, and image analysis algorithms to analyze fluorescently labeled cells or trypan blue stained samples in suspension. The Countess II FL features a cell sample range of 1 x 10 4 - 1 x 107 and processing time in as little as 10 seconds. The featured digital display shows images of cells and sample data making interpretation convenient and easy. The USB port allows users to save cell count results and images and then transfer them to a PC. The compact design allows for this versatile machine to fit easily into any lab environment.

The Countess II FL Cell Counter can accomplish all of the functions that the Countess II Cell Counter is capable of, however adds on some additional features. The Countess II FL can count cells from either disposable Countess Cell Counting Chamber Slides or from glass Countess II FL Reusable Chamber Slides. In addition to the brightfield channel, the Countess II FL can accommodate two interchangeable EVOS fluorescent or specialty light cubes, enabling it to be used for multiple-fluorescence research applications. When equipped with EVOS light cubes, this unit can be used to perform assays for cells in suspension, including simultaneous counts of cells stained with two different fluorescent dyes, GFP and RFP expression, apoptosis, cell viability, and cell cycle assays.

All of our equipment is in excellent condition and will be fully tested to perform at factory specifications before being shipped.

The Thermo Fisher Countess II FL Automated Cell Counter includes:
  • > Phosphate-buffered Saline Calibration & Countess Test Beads Validation Report
  • > 10 Countess Cell Counting Chamber Slides
  • > Power Cord
  • > Full 180 Day Parts and Labor Warranty

Thermo Fisher Countess II FL Automated Cell Counter Specifications


One 2-chamber disposable slide or 2-chamber reusable slide

Cell Size

4-60 µm (detection), 7-60 m (viability)


1x10^4-1x10^7 cells/mL

Detection Method

Brightfield & 2 user-definable FL channels

Dimensions (W x D x H)

9 x 5.5 x 9 in (228.6 x 139.7 x 228.6 mm)


7 in capacitive touch screen


2.15 mm x 1.62 mm (3.48 mm2)


USB Stick

Electrical Requirements

100-240 VAC, 0.58A Max


8 lbs.

Thermo Fisher Countess II FL Automated Cell Counter

Click Here to View the Technical Specs for the Thermo Fisher Countess II FL Cell Counter

Why Buy From Marshall Scientific?

Every product we offer undergoes a rigorous inspection process to verify that all manufacturer specifications are met. All of the electronics and boards are tested for proper function, and any necessary preventative maintenance is performed alongside repairs by our industry trained technicians. Our primary goal is to offer products that are as close to new as possible at an affordable price.

All Lab Equipment is Fully Recertified and Tested

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