Bio-Rad Model 680 Microplate Reader

This used Bio-Rad Model 680 Microplate Reader is a workhorse absorbance instrument that has served in clinical, academic, and industrial laboratories for ELISA and general colorimetric testing. It is offered in good working condition and continues to deliver the accurate, repeatable readings that made this model a long-standing staple in microplate analysis. The Model 680 supports dual wavelength readings and a selection of interference filters, allowing labs to run common protocols such as protein quantification, enzyme assays, and immunoassays with consistent results. Its straightforward interface and compatibility with Microplate Manager software mean data collection and analysis integrate easily into existing lab workflows, and its 96-well plate compatibility matches standard laboratory consumables. Labs that need a proven, no-frills absorbance reader for volume testing, teaching environments, or backup instrumentation will find the Model 680 a solid choice. Because it is a used unit, it offers established reliability at a fraction of the cost of a new microplate reader, making it attractive for facilities looking to expand capacity economically.