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The ultrasonic density meter calculates the sonic velocity by using the known distance between the transmitter and receiver and the measured transit time. The measuring instrument can now calculate the density, as it is dependent on the sound velocity. [3] Another method that is utilized in ultrasonic meters is the envelope energy average method.
Measuring instruments in fiction: Captain Nemo and Professor Aronnax contemplating thermometers, barometers, ... If the mass density of a solid is known, weighing ...
The measuring cylinder has flat top edge to it can levelled using the straightedge (a strickle) to give a set volume. Today, the measuring instrument can be a set of digital scales with an accuracy greater than 0.1 g, though in the past it was a steelyard balance with the measuring cylinder hooking directly onto the scales.
Schematic drawing of a hydrometer. The lower the density of the fluid, the deeper the weighted float B sinks. The depth is read off the scale A.. A hydrometer or lactometer is an instrument used for measuring density or relative density of liquids based on the concept of buoyancy.
Pages in category "Density meters" The following 7 pages are in this category, out of 7 total. This list may not reflect recent changes. ...
By setting the tube in motion and measuring the natural frequency, the mass of the fluid contained in the tube can be deduced. Dividing the mass on the known volume of the tube gives us the density of the fluid. An instantaneous density measurement allows the calculation of flow in volume per time by dividing mass flow with density.