the meter
Let the meter run.
The counter shows zero.
Look at the meter.
Le compteur Geiger est un instrument qui mesure la radioactivité.
The Geiger counter is an instrument that measures radioactivity.
Je lui ai demandé de lentement lire les nombres sur le compteur.
I asked him to slowly read the numbers on the meter.
Read the meter.
The meter is running.
Let the meter run.