The BioPhotometer plus, a compact UV/VIS photometer, is optimized for use in molecular biology, biochemistry and cell biology labs. The photometer provides instant access to 32 routine methods, of which 9 methods are freely programmable. Measurements and calculations of results are performed at the press of a button. The results of the analysis and all accompanying data are available at a glance. This guarantees safe and error-free operation. The photometer is compact with a low profile, it is extremely sturdy due to a robust metal housing, which allows for easy transport and cleaning. The BioPhotometer plus is designed for use with cuvettes such as the Eppendorf UVette, but is also optimized for measurement of small volumes through the use of microliter cells.