telemeter

• ⇰ An instrument used for measuring the distance of an object from an observer; <as>as, a telescope with a micrometer for measuring the apparent diameter of an object whose real dimensions are known</as>.
• ⇰ A measuring instrument which sends the information obtained from its sensors by radio to a distant station, usually to be recorded there; also, the complete system including measuring instrument, transmitter, and receiver. Such instruments are used, for