telemeter Meaning, Definition & Usage

noun any scientific instrument for observing events at a distance and transmitting the information back to the observer

Gr. far + -meter.

An instrument used for measuring the distance of an object from an observer; as, a telescope with a micrometer for measuring the apparent diameter of an object whose real dimensions are known.
A measuring instrument which sends the information obtained from its sensors by radio to a base station. Such instruments are used for measuring conditions in space or in other locations difficult of access for humans observers, or merely to allow one observer to monitor conditions in many places simultaneaously