meter; gauge; measuring instrument
General term for instruments that measure and display physical quantities such as pressure, temperature, speed, or electricity.
The aircraft's instruments malfunctioned.
この計器で温度を測ります。
We measure the temperature with this gauge.
The pilot read the altitude gauge to stabilize the aircraft.
The gauge showed a speed of 120 kilometers per hour.
The engineer checks all the instruments before departure.
The fuel gauge malfunctioned during the flight.
instrument landing system; ILS