Standard Slide for Countess 3 by Invitrogen

The Countess 3 Standard Slide serves as a reference or demonstration tool for the cell counting, viability, and fluorescence features of Countess automated cell counters. This ready-to-use, reusable slide houses permanently affixed microspheres that mimic cell samples. Optimized for accurate brightfield cell counting on Countess II, II FL, Countess 3, and 3 FL counters, it ensures consistent, repeatable counts throughout its lifespan, with variability only occurring when changing instrument gating settings. Supplied ready-to-use, it requires no special handling or sample preparation, minimizing count-to-count variability. It's ideal for achieving consistent cell counts and viability measurements across days or between instruments, and can also demonstrate the use of Countess counters for both brightfield and fluorescence cell counting.

• Precise — pre-loaded slide reduces errors from creating standard solutions and dilutions
• Versatile — designed for use with Countess II, II FL, Countess 3, and Countess 3 FL counters
• Efficient — comes pre-loaded with immobilized beads, no setup needed
• Practical — single slide for both brightfield and fluorescence cell counting