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27/08/2010
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ABB has released the latest in its series of online tutorial videos, explaining the difference between mass and volume flow and how to decide which technique is appropriate for particular applications.
 Mark Allinson, process flow specialist for ABB's UK instrumentation business, makes the point that confusion sometimes arises over the difference between mass and volume flow and when a particular measurement should be applied.
Though both technologies will deliver almost identical results under certain conditions, the deviations that can occur when a process is subject to pressure and temperature changes make it crucial to make the right choice, he says.
Understanding the effects of these deviations and how to select the right flow variable can lead to significant improvements in process performance and cost effectiveness, adds Allinson.
In the video, Allinson explains the differences between mass and volume flow measurement, and highlights the best technologies for specific applications.
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Author
Brian Tinham
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