Thermo Scientific Invitrogen Countess 3 Automated Cell Counter

Capacity

2-chamber disposable slide or 2-chamber reusable slide

Particle/Cell Diameter Range

4 to 60 µm

Concentration Range

1 x 10⁴- 1 x 10⁷ cells/mL

Features

Advanced cell counting and assay device utilizing high-quality optics

Employs sophisticated image analysis algorithms for trypan blue stained cell samples

User-friendly interface with data storage and report generation capabilities

Data easily transferable to PC via USB drive

Utilizes disposable Countess Cell Counting Chamber Slides

Features two unique enclosed chambers for parallel sample analysis or duplicate assessments

Performs standard cell counts in 10-20 seconds per sample

Accommodates a wide range of eukaryotic cells

Provides insights on cell size for comprehensive cell analysis

Equipped with a 5 MP camera and 2.5x optical magnification

The Thermo Scientific Invitrogen Countess 3 Automated Cell Counter is an advanced cell counting and assay device that utilizes high-quality optics and sophisticated image analysis algorithms to evaluate trypan blue stained cell samples in suspension. This innovative system boasts a user-friendly interface, complete with data storage and report generation capabilities, easily transferable to a PC via an included or separately purchased USB drive. Employing disposable Countess Cell Counting Chamber Slides, the device accommodates cell samples in two unique enclosed chambers. This feature facilitates the simultaneous analysis of two distinct samples or duplicate assessments of a single sample. A hallmark of efficiency, the instrument executes a standard cell count in the brightfield channel within a rapid 10-20 second timeframe per sample, accommodating an extensive range of eukaryotic cells. Beyond mere cell enumeration and viability, the Countess 3 Automated Cell Counter delivers valuable insights on cell size, making it an indispensable tool for comprehensive cell analysis.

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

INCLUDED:

The Thermo Scientific Invitrogen Countess 3 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 Scientific Invitrogen Countess 3 Automated Cell Counter Specifications

Capacity:	One 2-chamber disposable slide or 2-chamber reusable slide
Particle / Cell Diameter Range:	4 to 60 µm
Sample Concentration Range:	1 x 10 ⁴ - 1 x 10⁷ cells/mL
Required Sample Volume:	10 µL
Firmware:	Countess Automated Cell Counting Platform Software
Optics:	1 channel (brightfield)
Camera:	5 MP, 2.5x optical magnification
Memory:	On board and USB
Display:	LCD
Dimensions (W x D x H):	9.6 x 6.7 x 9.4 in. (24.4 x 17 x 24.1 cm)
Weight:	8 lb. (3.6 kg)
Electrical Requirements:	100 to 240V, 50/60Hz, 1A

Cell Counter Inspection and Recertification Checklist

Verify machine software initialization to ensure complete and accurate startup

Examine display screen for cracks, dead pixels, or other damage that may affect visibility

Test touch screen functionality, confirming sensitivity and accurate response

Inspect slide port for proper alignment and any visible signs of wear or obstruction

Examine internal wiring for secure connections and any signs of damage or wear

Clean internal casing to maintain optimal equipment hygiene and prevent dust buildup

Prepare a test sample using a precise 10µL mixture of cell suspension fluid and Trypan Blue stain

Conduct Phosphate Buffered Saline calibration and validate with Countess test beads, if applicable

Confirm concentration accuracy of test beads, ensuring results align with specified standards

Verify zoom, brightness, and focus controls are fully functional for optimal image clarity

Test USB port functionality, saving test results and images to verify data transfer

Inspect packaging of disposable chamber slides for any tears, punctures, or contamination

Verify power supply output for correct voltage delivery to all components

Compile a comprehensive calibration report, detailing all verification and validation results

Technician Inspection and Recertification Checklist: Cell Counters

The Following Checklist Is to Be Performed on All Incoming and Outgoing Equipment

Task:	Completed?:	Remarks?
Verify machine software initialization:	Completed:
Inspect display screen for cracks or damage:	Completed:
Confirm touch screen functionality:	Completed:
Inspect slide port for alignment and wear:	Completed:
Check internal wiring for secure connections and damage:	Completed:
Clean internal case for dust prevention:	Completed:
Prepare 10µL test sample with cell suspension and Trypan Blue:	Completed:
Conduct PBS calibration and Countess test beads validation:	Completed:
Confirm test bead concentration accuracy:	Completed:
Verify zoom, brightness, and focus functionality:	Completed:
Test USB port, save test results and images:	Completed:
Inspect disposable chamber slide packaging for damage:	Completed:
Verify power supply output voltage:	Completed:
Prepare a detailed calibration report:	Completed:

To View More of Our Recertification Protocol Click Here

Downloads

Technical Specification Download

Operator's Manual Download

Typically Ships Within: 3 to 5 Business Days

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