radar vs measuring instrument

radar and measuring instrument both are nouns.

Word	Noun	Adjective	Verb	Adverb
radar	Yes	No	No	No
measuring instrument	Yes	No	No	No

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

radar: measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects
measuring instrument: instrument that shows the extent or amount or quantity or degree of something

Other hypernyms of radar include measuring device, measuring system.

radar (noun)	measuring instrument (noun)
measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects	instrument that shows the extent or amount or quantity or degree of something