Telemetre is an alternative form of telemeter.
As nouns the difference between telemetre and telemeter
is that telemetre is (nonstandard) while telemeter is any device used in telemetry.
telemeter
English
(telemeter)
Alternative forms
* telemetre (nonstandard)
Noun
(
en noun)
Any device used in telemetry.
A device used for rangefinding, especially of military targets.