photometer   (TTS Sound)

The photometer has 2 Senses.

• photometer
• 光度計
• measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source
• 標準の光源と（視覚的にあるいは光電的に）比較して光源の光の強度を計測する測定器

• light meter, exposure meter, photometer
• 露出計
• photographic equipment that measures the intensity of light
• 光の強度を測定する写真機材