Quantitative immunoassay analyzing device that utilizes disposable kits to provide in vitro measurement results for PSA, TSH, etc. Fully automated system, equipped with an easily maneuverable touch screen user interface, is compact, portable and simple, requiring only a small sample volume of 30 µL. Affordable yet fully capable system provides precise and accurate lab quality test results in 4 minutes, minimizing the time patients have to wait for their results and facilitating the diagnosis and treatment process.