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2. Oscillating U-tube - Wikipedia

   en.wikipedia.org/wiki/Oscillating_U-tube

   U-tube with piezo-electric actuator Digital density measuring principle. The oscillating U-tube is a technique to determine the density of liquids and gases based on an electronic measurement of the frequency of oscillation, from which the density value is calculated.

3. Anton Paar - Wikipedia

   en.wikipedia.org/wiki/Anton_Paar

   Anton Paar GmbH is an Austrian company based in Graz that develops, produces and sells analytical instruments for laboratories and process analytical technology. The company operates globally, with subsidiaries in 39 countries. [ 1 ]

4. Petrotest - Wikipedia

   en.wikipedia.org/wiki/Petrotest

   Anton Paar ProveTec, formerly known as Petrotest GmbH, is a German company within the Anton Paar group that is known for its laboratory equipment for the chemical and petrochemical industries. Furthermore, Anton Paar ProveTec is manufacturing measurement instruments for the cosmetics industry, the aroma and fragrance industry, the food, and ...

5. Density meter - Wikipedia

   en.wikipedia.org/wiki/Density_meter

   A density meter (densimeter) is a device which measures the density of an object or material. Density is usually abbreviated as either or .Typically, density either has the units of / or /.

6. Densitometer - Wikipedia

   en.wikipedia.org/wiki/Densitometer

   The densitometer is basically a light source aimed at a photoelectric cell. [2] It determines the density of a sample placed between the light source and the photoelectric cell from differences in the readings. [3] Modern densitometers have the same components, but also have electronic integrated circuitry for better reading. [4]

7. Record heat waves illuminate plight of poorest Americans who ...

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   Bedayn is a corps member for the Associated Press/Report for America Statehouse News Initiative. Report for America is a nonprofit national service program that places journalists in local ...

8. Hydrostatic weighing - Wikipedia

   en.wikipedia.org/wiki/Hydrostatic_weighing

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9. Densitometry - Wikipedia

   en.wikipedia.org/wiki/Densitometry

   The corresponding measuring device is called a densitometer (absorptiometer). The decadic (base-10) logarithm of the reciprocal of the transmittance is called the absorbance or density. [1] DMax and DMin refer to the maximum and minimum density that can be produced by the material. The difference between the two is the density range. [1]