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This scale-up calibration process is repeated regularly in accordance with NIST quality procedures. Flow meter calibration end users have the option to pay NIST to supervise calibrations; these calibrations qualify as NIST calibrations. [7]
It was awarded the Flow Control Innovations Award in 2011. [2] Sage Metering was the first thermal flow meter manufacturer to provide a unique and easy to invoke on-site calibration verification. [3] (This saves time and money since the user does not have to remove the meter and return it to the factory (or a third party) for annual flow meter ...
The firm has 100 employees and over 120,000 sq feet of indoor lab space on a 32-acre campus in Holden, MA, and an additional 25,000 square feet of laboratory space in Redmond, WA. Alden provides engineering, physical and computational flow modeling along with environmental and flow meter calibration services.
The thermodynamic method is used for performance testing of pumps, flow meter calibration, system curve tests, and other applications. It is capable of achieving results with uncertainties of less than 1% in pump efficiency and less than 1.5% in flow [ 3 ] while being able to test piping configurations where other conventional pump testing ...
Because they are used for domestic water measurement, piston meters, also known as rotary piston or semi-positive displacement meters, are the most common flow measurement devices in the UK and are used for almost all meter sizes up to and including 40 mm (1 + 1 ⁄ 2 in). The piston meter operates on the principle of a piston rotating within a ...
A velocity-type meter measures the velocity of flow through a meter of known internal capacity. The speed of the flow can then be converted into a volume of flow to determine the usage. There are several types of meters that measure water flow velocity, including jet meters (single-jet and multi-jet), turbine meters, propeller meters and mag ...
Parshall flumes (right) alongside other types of flow meters The Parshall flume is an open channel flow-metering device that was developed to measure the flow of surface water and irrigation flow. The Parshall flume is a modified version of the Venturi flume .
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 ...
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