The aCOLyte 3 cost-effective colony counting system is designed for microbiologists who need to significantly increase their throughput, as well as improve count accuracy. The unit is built for a rapid count of pour, spread and spiral plates. The system can read plates of up to 90mm in seconds, generating precise plate count results up to ten times faster than manual counts. The numerical count data and plate images can be directly transferred to Excel or Open Office to avoid errors in data transfer, ensuring accurate GLP compliant result reporting and archiving every time. The unit provides full-color image display and comes with software based on Company's ProtoCOL 3 software. The system can be supplied with a computer or users can utilize their own laptop or desktop PC to connect to the system via USB port.