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Cameron Ultrasonic Flow Meter - Custody Grade

Cameron's products include a wide range of pressure control and rig systems for onshore and offshore drilling; land and platform production systems for conventional and unconventional applications; separation, processing, and treatment systems; subsea production and processing systems; measurement systems; and a wide variety of valves and actuators


Cameron's Measurement Systems Division designs, manufactures and distributes measurement and control instrumentation for the global oil and gas and process control industries. The division was established in 2003 as a result of the acquisition and merger of three well respected companies: Barton Instrument Systems, Halliburton Measurement Systems and PMC Global Industries. Since then, the Division has acquired North Star Flow Products, and Caldon, Inc.

Cameron\'s CALDON® LEFM® 280Ci full bore ultrasonic flow meter can be used on crude oils and refined products in single or multi-product pipelines. The operating Reynolds numbers should be above 8000 at all times to ensure maximum performance. The eight chordal path design of the LEFM 280Ci ultrasonic flow meters resists installation errors better than any other ultrasonic meter.

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Cameron was the first company to develop an ultrasonic flow meter, the LEFM 280CiLT, for dynamic custody transfer of LNG. The LEFM 280CiLT low temperature ultrasonic flow meter has been voted the 2010 Innovation Award by the readers of Flow Control magazine. The LEFM 280CiLT meter offers many benefits for measuring LNG. The major advantage is the 8-path design. The two-plane arrangement of the eight acoustic paths makes the meter insensitive to velocity profile asymmetry and swirl.

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Measuring oils having high viscosity and/or low flow conditions may involve operating at Reynolds numbers below 8000, in the laminar and transition flow regimes. Full bore ultrasonic flow meter performance has traditionally degraded for Reynolds numbers below 8000 because the liquid velocity profile erratically switches between laminar and turbulent characteristics. Cameron\\\\\\\'s CALDON® LEFM® 280CiRN ultrasonic flow meter with a reduced bore, modeled after flow nozzle technology, in which the liquid velocity profile is stabilized in the throat by forces much larger than the forces imposed by fluid viscosity

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Cameron\'s CALDON® 380Ci ultrasonic gas flow meter has Cameron\'s unique eight-path, dual-plane, cross-path design. Cameron has done extensive testing to prove this meter design is immune from the effects of swirl and velocity profile asymmetry. The 380Ci requires a very small installation footprint and does not require a flow conditioner.

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