Rockwin an ISO 9000-2008 company, has been designing, manufacturing, calibrating, and marketing high quality Flowmeters and related equipments for Oil, & Gas, Chemicals & Fertilizers, Pharmaceuticals, Power, Steel, Defense and other major industries since 1976. Because in the operation of ultrasonic flowmeters the energy for measurement passes through only part of the measured liquid, Reynolds number, which can be thought of as the ratio between the inertial forces and the viscous forces in a flowing stream, affects the performance of the meter.
Concerning the piping and the area where the flowmeters are to be located, consider: For the piping, its direction (avoid downward flow in liquid applications), size, material, schedule, flange-pressure rating, accessibility, up or downstream turns, valves, regulators, and available straight-pipe run lengths.
If a similar electronic circuit is now used to project an ultrasonic pulse in the opposite direction to that shown, another frequency will be obtained that, when subtracted from the first, will give a direct measure of the velocity of the fluid in the pipe, since the electronic delays will cancel out.
Atrato ultrasonic flow measurement devices are suitable for coffee, beverage & drink dispensing, laboratory & scientific environments, the flow measurement of cooling systems, active flow alarm implementation, semiconductor plant and manufacture, pilot plant environments, fuel cell flow measurement, pharmaceutical applications, OEM applications, petrochemical flow measurement and aggressive chemical flow metering.
The ST98 insertion-style mass flow meter is the flow measurement solution for virtually any gas or gas mixture in line sizes from >2 inches up to 42 inches 50 mm to 1066 mm.1 With ST98, FCI combines superior, equal mass thermal-dispersion flow sensing elements and precision electronics with exacting actual fluid calibration and a choice of rugged, industrial enclosures to deliver accurate, highly repeatable flow measurement and long lasting service for the most demanding processes.
1934) c was measured to determine the specific heat or ?. More often, however, binary gas analyzers are not adaptations of ultrasonic flowmeters but are designed expressly for analyzer purposes, as for example in the products of Tracor or Thomas Swan & Co. Ltd.
The KRAL flowmeter is accurate to ± 0.1 % over a wide flow and viscosity range, as the repeatability is better than ± 0.1 %. The long working life and stability over time of KRAL flowmeters show that robustness and precision are not mutually exclusive.
The GF40 Series elastomer sealed mass flow controllers and meters with Brooks Instrument’s exclusive MultiFlo technology provide the perfect choice for systems, processes and facilities that use a variety of gases, change gas types frequently or need to re-range while preserving gas measurement and control accuracy.
Engineers relatively new to engine lubrication studies should seek advice from the Flow Calibration Laboratory, who should be suitably experienced in this type of flow measurement application and be in a good position to find the best solution for your budget and flowmeter hardware inventory.
The impeller or spinner float switch Indonesia (spinner) uses an impeller that revolves in response to fluid flow. By forcing the fluid to flow around it, the body induces a change in the fluid direction and thus velocity. These components are often combined, so the actual flowmeter may be one or more physical devices.
Each type of flowmeter has its own specific applications and installation constraints. Through a gear mechanism and, sometimes, a magnetic drive, a needle dial and odometer type display are advanced. Equflow has perfected the flow measurement of liquids. Laser-based optical flow meters measure the actual speed of particles, a property which is not dependent on thermal conductivity of gases, variations in gas flow or composition of gases.
Vortex and turbine suppliers have brought out flowmeters with two sensors, and dual flowmeters calibrated together. In other velocity sensors, pipe liners can cause problems (ultrasonic), or the meter may stop functioning if the Reynolds number is too low (in vortex shedding meters, RD > 20,000 is required).