センサー
also: センサ
Meanings
1
A device that detects or measures physical properties and responds to them. Used in everyday and technical contexts.
This camera is equipped with a high-sensitivity sensor.
When you stand in front of the door, the sensor reacts and opens automatically.
Usage patterns
- センサーが〈物〉を検知するthe sensor detects something
This sensor detects human movement.
- センサーが反応するthe sensor reacts/responds
When you stand in front of the door, the sensor reacts and the light turns on.
- 〈場所〉にセンサーを設置するto install a sensor in a place
We installed a sensor at the entrance.
- センサーが作動するthe sensor activates/operates
When smoke appears, the sensor activates and the alarm sounds.