dosimeter vs measuring device

dosimeter and measuring device both are nouns.

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

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

dosimeter: a measuring instrument for measuring doses of ionizing radiation (X-rays or radioactivity)
measuring device: instrument that shows the extent or amount or quantity or degree of something

Other hypernyms of dosimeter include measuring instrument, measuring system.

dosimeter (noun)	measuring device (noun)
a measuring instrument for measuring doses of ionizing radiation (X-rays or radioactivity)	instrument that shows the extent or amount or quantity or degree of something