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Countess® II FL Automated Cell Counter

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The new Countess® II FL Automated Cell Counter is a benchtop assay platform equipped with state-of-the-art optics, full autofocus, and image analysis software for rapid assessment of cells in suspension. With three-channel flexibility—brightfield and two optional fluorescence channels—researchers can count cells, monitor fluorescent protein expression, and measure cell viability.
• Accurate—use the Countess® II FL Automated Cell Counter to eliminate the subjectivity of manual cell counting and user-to-user variability
• Flexible—the Countess® II FL Automated Cell Counter is able to accept up to two EVOS® light cubes that are user-selectable from over twenty fluorescence channels
• Fast—the Countess® II FL Automated Cell Counter counts live and dead cells and measures average cell size in as little as 10 seconds. Counting speed is virtually identical when using fluorescence.
• Convenient—the Countess® II FL Automated Cell Counter requires no cleaning or routine maintenance. A capacitive touchscreen and simple user interface provides quick startup and requires minimal training.


The Countess® II FL Automated Cell Counter comes with:
• Countess® USB drive for storing and transferring data to your computer
• Disposable slide holder
• Light cube removal tool
• Power cord and 4 plug adaptors to accommodate most countries
• Quick reference card (QRC)
The Countess® II FL Automated Cell Counter works in 3 simple steps:
1. Mix 10 µL of sample with 10 µL of trypan blue and pipet into a disposable Countess® chamber slide.
2. Insert the slide into the instrument.
3. Press the Count button.
Get accurate cell counts
The Countess® II FL Automated Cell Counter uses trypan blue staining combined with an auto-focus mechanism and sophisticated image analysis algorithm to obtain accurate cell and viability counts. The measurement range extends from 1 x 10e4 to 1 x 10e7 cells/mL (the optimal range is 1 x 10e5 to 4 x 10e6 cells/mL), which is broader than that of a hemocytometer. The optimal cell size is 10–60 µm.
Simple operation with fluorescent application versatility
Operated using an intuitive user interface, automated cell counting with the Countess® II FL instrument gives you the data you need to prepare your sample for the next passage or experiment, and allows you to multiplex with a variety of fluorescent dyes and proteins excited via EVOS® Light Cubes.
Transfer data and images to your PC
Using the USB port on the Countess® II FL Automated Cell Counter and any USB drive, you can save your cell count results and images and transfer them to your PC. (For your convenience, a USB drive is supplied with the Countess® II FL instrument).

Spec sheet

Cat. No. AMQAF1000
Unit Size 1
Size 228.6mm X 139.7 mm x 228.6 mm(W×D×H)
Color Assorted Colors
Format Slide(s)
Platform Countess(R) Automated Cell Counter
Detection Method Fluorescent
Shipping Condition Room Temperature
Weight 3.63 kg
Price(JPY) 550,000

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