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Transmitters measure mass and energy flow

An Emerson Process Management product story
Edited by the Engineeringtalk editorial team Oct 28, 2009

Emerson Process Management introduces the Rosemount 3051S multi-variable transmitter, which measures three variables and provides mass and energy flow output.

The Rosemount 3051SMV is designed to simplify mass and energy flow measurement, increase accuracy and provide faster updates through advanced compensation techniques.

The user can enter three application parameters and the Engineering Assistant software will handle the rest.

The 3051SMV provides full compensation of more than 25 different parameters to achieve a significant improvement in flow performance compared to uncompensated differential pressure flow, it is claimed.

This includes Joule-Thomson correction and sensor matching with Callendar-Van Dusen constants.

The 3051SMV updates flow measurement 22 times per second so users can more effectively track production, demand, plus total usage for process gas, steam and natural gas.

The results are more accurate billing, immediate detection of anomalies that lead to losses and optimisation of product throughput and quality during peaks in demand.

The Rosemount 3051SMV allows users to specify the level of compensation that best matches the application and can be scaled to optimise flow measurement in four different applications: full compensation (differential pressure, line pressure and temperature measurement) for gas, natural gas or steam; differential and line pressure measurement for saturated steam; differential pressure and temperature measurement for liquids or saturated steam; and differential pressure measurement for liquids at stable temperatures.

The 3051SMV transmitter can also be paired with a Rosemount primary element, creating the 3051SF flowmeter.

The Rosemount 3051SFA Annubar flowmeter requires only a single pipe penetration for installation.

Annubar sensors are said to create less blockage in the pipe than industry-standard orifice plates, leading to an energy cost reduction in pumping, compression and fuel.

The 3051SFC compact orifice flowmeter can be installed between existing flanges with use of an integral centring ring and minimises straight run requirements with conditioning technology.

The Rosemount 3051SFP integral orifice flowmeter, with self-centring orifice plate and precision honing, improves accuracy in small line sizes.

All Rosemount 3051SF flowmeters are fully configured, leak tested and ready to install, thereby reducing potential leak points and preventing fugitive emissions by up to 70 per cent.

Emerson adds that further cost savings, increased plant availability, plus enhanced safety and environmental compliance can be achieved when the transmitters are integrated into the Plantweb digital plant architecture.

Find out more about this article. Request a brochure, download technical specifications and request samples here.

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