eudiometer vs measuring system

eudiometer and measuring system both are nouns.

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

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

eudiometer: measuring instrument consisting of a graduated glass tube for measuring volume changes in chemical reactions between gases
measuring system: instrument that shows the extent or amount or quantity or degree of something

Other hypernyms of eudiometer include measuring device, measuring instrument.

eudiometer (noun)	measuring system (noun)
measuring instrument consisting of a graduated glass tube for measuring volume changes in chemical reactions between gases	instrument that shows the extent or amount or quantity or degree of something