A spectrometer is a pretty common lab instrument, useful for determining the absorbance of a sample across a spectrum of light. The standard design is simple; a prism or diffraction grating to ...

The physical dimensions of the Eft-90 components are listed in Table 1. This is the preferred layout for ease of use and serviceability. The optimal area is 10 ft by 6 ft, 60 ft 2 (5.57 m 2).