BigPatents India

A hand-held optoelectronic test system comprising a cartridge including at least one light source and sensors prealigned to permit acquisition of electro-optic data from a fluid sample reacted with a reagent, such as upon a test membrane in a reaction zone, and a reader which processes the acquired data to identify a physical change in the fluid sample. The cartridge and reader are operable for separate predetermined or controllable finite numbers of tests before becoming disposable.