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[Chemical Knowledge]：Principle of Density Meter-An Instrument for Accurate Measurement of Material Density

Read： 611 Time：14months ago Source：Transform the World with Simplicity

Density is the ratio of mass to volume and is an important physical quantity. In industrial production and scientific research experiments, determining the density of matter is a very important link. In response to this demand, the density meter came into being.
The principle of
density meter is based on Archimedes' displacement theorem, that is, under the action of gravity, the buoyancy of an object is equal to the weight of the liquid it discharges. According to the principle of buoyancy, we can use a densitometer to measure the density of a substance. The density meter mainly has the following two types:

1. immersion density meter

immersion density meter is the use of material in different solution of the float and sink to measure its density. The principle is to immerse the substance to be measured in a solution of different density, and then measure the buoyancy of the substance. By deriving the formula, we can find the density of matter.

2. Oscillating Density Meter

Oscillating Density Meter measures the density of an object by its frequency of oscillation. Put the material in a resonant machine, measure the frequency and amplitude of the vibration of the material, and then calculate the density of the material by the formula.
the principle of
density meter is relatively simple, there are some precautions in actual operation. Because the density of different substances is different, so in the use of density meter, to choose the appropriate solution measurement, otherwise it will affect the measurement accuracy. The use of density timer should be carried out in strict accordance with the operation steps to ensure the accuracy of the data. Finally, when using a density timer, pay attention to maintenance and maintenance to extend the service life.

Generally speaking, as a high-precision measuring instrument, densimeter has a wide range of applications. It can help us test the density of substances, applied to chemistry, medicine, building materials, food and beverage and many other fields. At the same time, the measurement of density value is also inseparable from its application in the production of vaccines, which has attracted much attention.

has mastered the principle of density meter, reasonable and flexible selection and use, can effectively improve work efficiency, to provide more accurate, accurate and stable guarantee for the improvement of product quality. In future production research, the density meter will continue to play a more extensive and important role, in other words, the principle of the density meter will be passed down with the use of the instrument.

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