The manufacturer of Bio-Rad TC20 Automated Cell Counter is Bio-Rad Laboratories. Model is TC20. The Bio-Rad TC20 Automated Cell Counter is a benchtop instrument that counts mammalian cells in one easy step, starting an automated count immediately after inserting a slide. Innovative autofocus technology and sophisticated digital image analysis algorithms produce accurate cell counts in less than 30 seconds for most samples. https://www.ste-mart.com/bio-rad-tc20-automated-cell-counter-bio-rad-laboratories-115560.htm