rangefinder vs measuring device

rangefinder and measuring device both are nouns.

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

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

rangefinder: a measuring instrument (acoustic or optical or electronic) for finding the distance of an object
measuring device: instrument that shows the extent or amount or quantity or degree of something

Other hypernyms of rangefinder include measuring instrument, measuring system.

rangefinder (noun)	measuring device (noun)
a measuring instrument (acoustic or optical or electronic) for finding the distance of an object	instrument that shows the extent or amount or quantity or degree of something