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Condition: Fully Recertified and Tested to Perform at Manufacturer Specifications
Warranty: 180-Day Full Parts and Labor (Click for Info)
Typically Ships Within: 3 to 5 Business Days
Included Documentation: Phosphate-buffered Saline Calibration & Countess Test Beads Validation Report

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Product Code: TSI-C3ACC

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Description

Recertification Protocol

Technical Specification Sheet

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

Downloads

Technical Specification Download

Operator's Manual Download

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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