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News

Emerson announces next generation enhancements to Micro Motion Coriolis flowmeters

Emerson Process Management : 26 January, 2007  (Company News)
Emerson Process Management has announced next-generation MVD (multivariable digital) technology and sensor design innovations that set new industry standards for accuracy, stability, and versatility of the company's Micro Motion Coriolis flowmeter offering. The advances deliver breakthroughs in entrained gas measurement performance and patented self-verification technology that allow in-situ assessment of meter calibration of the company's Micro Motion ELITE Coriolis flowmeters.
Sets new industry standards of Coriolis measurement accuracy
The next-generation MVD technology from Emerson boosts Micro Motion Coriolis flowmeter performance to the industry's highest-ever levels of mass flow and volume flow, and is a two-fold improvement in density performance. In addition, overall meter stability is boosted to a level that eliminates the need for field zeroing. Customers benefit directly since flow measurement accuracy is key to operations efficiency, quality control, and safety.

Previously, with 0.10% accuracy, the Micro Motion ELITE meter provided the most accurate Coriolis measurement available. Now, the patented new MVD technology delivers 0.05% mass and volume flow accuracy, and up to 0.0002 g/cc density accuracy, an improvement of two times over other Coriolis meters.

For applications where precise measurement is critical, such as chemical dosing and high-value custody transfer, the new Micro Motion ELITE is the clear choice for the most accurate and consistent measurement.

Outperforms in the widest range of entrained gas conditions
Entrained gas, also known as transient or two-phase flow, describes the flow of fluids in a pipe that shifts, by design or unintentionally, between liquid and gas, or contains both fluid states. It is a potentially problematic phenomenon for nearly any flow measurement technology, and was ranked as the key challenge for flow measurement by the NAMUR group, a German chemical industry working party of users of process automation equipment, in a recent report.

Identifying and measuring two-phase (gas and liquid) flow is difficult for flow measurement devices, often producing large metering errors or requiring an additional investment in air eliminators or flow conditioning devices. As part of next-generation Micro Motion technology, increased processing speeds and unique Coriolis sensor design are combined to solve this process dilemma, enabling accurate measurement of flows with entrained gas that include bubble flow, slug flow, and empty-full-empty batch applications.

New Micro Motion ELITE flowmeters, with next-generation MVD technology, significantly improve custody transfer metering and flow measurement applications in the manufacture of such products as film emulsions, beer (wort), glucose, liquid fertilizers, soaps and lotions, hair care products, phenols, dairy products, polyethylene, well heads, and ethylene oxide.
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