The Bio-Rad GS-900 Calibrated Densitometer is designed for precise quantification of nucleic acid and protein samples on gels and blots. It offers reliable and repeatable absorbance measurements using an integrated optical system. The instrument features a large scanning area with a calibration standard for accurate densitometric analysis. Its compatibility with standard PC hardware and Bio-Rad Quantity One software enhances ease of use and data management. This densitometer is ideal for molecular biology laboratories requiring accurate gel documentation and quantitative analysis for research and diagnostic applications.