densitometer

• 用于测量光学密度或摄影密度的仪器，也用于测量物质的密度或比重。

A measuring instrument used to determine optical or photographic density, or to measure density or specific gravity.

1. Optical density measurementC2formalscientific

   An instrument used to measure the optical density of a material, such as photographic film or paper.

   光密度测量仪

   • The technician used a densitometer to check the film's exposure.
   • A densitometer is essential for calibrating photographic prints.
   • The lab's densitometer provided accurate readings of the sample's opacity.

2. Specific gravity measurementC2formalscientific

   An instrument used to measure the density or specific gravity of a liquid or solid.

   比重测量

   • The chemist used a densitometer to determine the specific gravity of the solution.
   • A densitometer can measure the density of a liquid with high precision.
   • The quality control team relied on a densitometer to verify the product's density.

   同义词densimeterhydrometer