durometer vs measuring system

durometer and measuring system both are nouns.

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

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

durometer: An instrument for measuring the degree of hardness; especially, an instrument for testing the relative hardness of steel rails and the like.
measuring system: instrument that shows the extent or amount or quantity or degree of something

Other hypernyms of durometer include measuring device, measuring instrument, mechanical device.

durometer (noun)	measuring system (noun)
An instrument for measuring the degree of hardness; especially, an instrument for testing the relative hardness of steel rails and the like.	instrument that shows the extent or amount or quantity or degree of something