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A vector measuring current meter (VMCM) is an instrument used for obtaining measurements of horizontal velocity in the upper ocean, which exploits two orthogonal cosine response propeller sensors that directly measure the components of horizontal velocity. [1]
Turbine meters are less accurate than displacement and jet meters at low flow rates, but the measuring element does not occupy or severely restrict the entire path of flow. The flow direction is generally straight through the meter, allowing for higher flow rates and less pressure loss than displacement-type meters.
An Endress+Hauser Promass F Flow meter. The first foreign subsidiary was established in 1960 in the Netherlands. [38] In 1968, a holding company was registered in Switzerland. [39] In 1970, Endress+Hauser entered the US and Japanese markets. [40]
Most modern meters combine a venturi flow rate meter, with a gamma densitometer, and some meters have additional measurements for water salinity. The meter measures the flow rates at line pressures, which are typically orders of magnitude greater than atmospheric pressure, but the meter must report the oil and gas volumes at standard ...
Propeller-type current meter. The revolutions of the propeller per time interval are counted electronically. A current meter is an oceanographic device for flow measurement by mechanical, tilt, acoustical or electrical means.
FCI operates a NIST flow calibration laboratory with 19 precision flow stands. FCI utilizes these precision flow stands to flow actual gases and reference fluids matched to the temperature, process conditions, and line size of individual customers' flow meter applications. The company has subsidiaries in Tilburg, Netherlands and Beijing, China.
Pages in category "Flow meters" The following 25 pages are in this category, out of 25 total. This list may not reflect recent changes. * Smart meter; A. Air flow meter;
Using the bottom track feature, the track of the boat as well as the cross sectional area is estimated after adjustment for left and right bank areas. The discharge can then be calculated as the dot product between the vector track and the current velocity. The method is in use by hydrographic survey organisations across the world and forms an ...
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