pedometer vs measuring system

pedometer and measuring system both are nouns.

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

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

pedometer: measuring instrument for recording the number of steps taken in walking
measuring system: instrument that shows the extent or amount or quantity or degree of something

Other hypernyms of pedometer include measuring device, measuring instrument.

pedometer (noun)	measuring system (noun)
measuring instrument for recording the number of steps taken in walking	instrument that shows the extent or amount or quantity or degree of something