Chinese name: density meter English name: densitometer Definition 1: Determination of image density of the instrument, is also one of the photometric characteristics of the instrument. Applied science: Surveying and mapping (a subject); photogrammetry and remote sensing (two subjects) Definition 2: measuring the density of the material.
For Pan Wai
As a result of density and specific gravity between a certain relationship, so the density meter can also be used as a hydrometer. Density meter is divided into its use of liquid density meter, gas density meter, solid density meter. Applied science: mechanical engineering (a subject); analytical instruments (two subjects); physical properties of analytical instruments - physical properties of instruments and accessories (three subjects)