Microplate Reader LMPR-A20 Labtron Microplate Reader is a user-friendly, efficient, and cost-effective optical microplate reader, featuring a large LCD display, flexible plate layout, auto plate centering and stable memory that stores up to 20 million test data and 500 projects. Equipped with a USB port for easy data transfer, workstation PC software and 12-test capability per plate, it’s ideal for ELISA applications.