sclerometer vs measuring device

sclerometer and measuring device both are nouns.

Word	Noun	Adjective	Verb	Adverb
sclerometer	Yes	No	No	No
measuring device	Yes	No	No	No

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

sclerometer: a measuring instrument that measures the hardness of materials by penetrating them with a stylus that has a diamond point
measuring device: instrument that shows the extent or amount or quantity or degree of something

Other hypernyms of sclerometer include measuring instrument, measuring system.

sclerometer (noun)	measuring device (noun)
a measuring instrument that measures the hardness of materials by penetrating them with a stylus that has a diamond point	instrument that shows the extent or amount or quantity or degree of something