colorimeter vs measuring system

colorimeter and measuring system both are nouns.

Word	Noun	Adjective	Verb	Adverb
colorimeter	Yes	No	No	No
measuring system	Yes	No	No	No

As nouns, measuring system is a hypernym of colorimeter; that is, measuring system is a word with a broader meaning than colorimeter:

colorimeter: a measuring instrument used in colorimetric analysis to determine the quantity of a substance from the color it yields with specific reagents
measuring system: instrument that shows the extent or amount or quantity or degree of something

Other hypernyms of colorimeter include measuring device, measuring instrument.

colorimeter (noun)	measuring system (noun)
a measuring instrument used in colorimetric analysis to determine the quantity of a substance from the color it yields with specific reagents	instrument that shows the extent or amount or quantity or degree of something