0 a device that is used to record that something is present or that there are changes in something -- sensor
1 a device that can detect light, heat, sound, etc. -- sensor [ masculine, singular ]
an image sensor un sensor de imágen
We will be producing a communication on anti-personnel landmines, actually the use of sensor equipment.
In the field of road safety, of course, everything connected with mass sensors for pedestrians and other vulnerable toad users will be crucial.