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A density meter (densimeter) is a device which measures the density of an object or material. Density is usually abbreviated as either ρ {\displaystyle \rho } or D {\displaystyle D} . Typically, density either has the units of k g / m 3 {\displaystyle kg/m^{3}} or l b / f t 3 {\displaystyle lb/ft^{3}} .
Ensuring x-ray films are within code-required density ranges and comparing relative material thicknesses in industrial radiography; Process control of density dot gain, dot area & ink trapping. Densitometer readings will be different for different types of printing process & substrates.
Dredging industries use gravitic density meters to measure the amount of debris being moved and carried by the dredge. Wastewater industries use gravitic density meters to measure the amount of sewage that needs to be treated. Paper production uses gravitic density meters to measure the amount of pulp currently being used in the process.
The mass flow meter does not measure the volume per unit time (e.g. cubic meters per second) passing through the device; it measures the mass per unit time (e.g. kilograms per second) flowing through the device. Volumetric flow rate is the mass flow rate divided by the fluid density. If the density is constant, then the relationship is simple.
The DM3 density meter (also known as the DM3 or SCIAM DM3 density meter) is a newly developed system for density measurement.A part of a continuous, in-line measurement device that is used in major slurry industries and applications to accurately and safely calculate density.
As there are many units of mass and volume covering many different magnitudes there are a large number of units for mass density in use. The SI unit of kilogram per cubic metre (kg/m 3) and the cgs unit of gram per cubic centimetre (g/cm 3) are probably the most commonly used units for density. One g/cm 3 is equal to 1000 kg/m 3. One cubic ...
The resonant frequency of the element is measured and is related to the density of the fluid by a characterization that is dependent upon the design of the element. In modern laboratories precise measurements of relative density are made using oscillating U-tube meters. These are capable of measurement to 5 to 6 places beyond the decimal point ...
The hydrometer sinks deeper in low-density liquids such as kerosene, gasoline, and alcohol, and less deep in high-density liquids such as brine, milk, and acids. It is usual for hydrometers to be used with dense liquids to have the mark 1.000 (for water) near the top of the stem, and those for use with lighter liquids to have 1.000 near the bottom.