Assertion: spectrophotometer | /r/HasProperty | optical systems
Facets:
value: for measuring the intensity of light
type: PURPOSE
Source sentences:
text: It is a conglomerate of light sources, wavelength selectors, optical systems, sample chambers, photodetectors, and meters functioning together to perform a specific task – to measure the absorbance of a sample.
text: The spectrophotometer is an optical instrument for measuring the intensity of light relative to wavelength.