The Journal of Industry and Technology

Industrial Analytical Instrumentation

Euro Technology

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Precision sensors, systems and instrumentation

Morgan Advanced Materials makes
strides in zero flow offset measurement

Morgan Advanced Materials has for the first time developed a method to measure the zero flow offset property for a broad spectrum of transducers, optimising overall flow measurement accuracy in ultrasonic sensors.

Morgan, a global leader in the design and manufacture of advanced materials for use in demanding environments, has made significant advances in minimising zero flow offset, to levels as low as 60ps. By streamlining the transducer design and production methods, this has been shown to restrict variation to less than 5% over a wide range of environmental conditions. Put simply, the lower the variation, the more accurate the meter reading.

In industrial and domestic ultrasonic flow measurement applications accuracy in measuring flow rates in dynamic flow conditions is essential. Given that customers are charged on the basis of their meter readings, the reading needs to accurately reflect the quantity of material used, be this gas or water.

Measuring the "time of flight" between the upstream and downstream transducers, and then reversing the process gives two figures which, together, provide a measurement of the flow rate of liquids and gases. However, even where there is no flow in the tube, there is typically a minimal discrepancy between the two. This phenomenon, known as 'zero flow offset', is a by-product of the physical constraints of materials and signal processing technologies that may impact on the accuracy of meters. Advancements made by Morgan's team of sensor specialists have gone a long way towards addressing this.

Oksana Jaroszak, Transducer Development Engineer at Morgan, explained: "Drawing on our knowledge of materials and experience in transducer design, we have specifically developed a portfolio of materials that will enable us to create a transducer with the lowest zero flow offset possible. This development is reflected in our results, which demonstrate clear improvements across a variety of environmental extremes. Overall, this will lead to increased accuracy in ultrasonic water and gas flow sensors."

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Morgan Advanced Materials in profile
Morgan Advanced Materials is a global materials engineering company which designs and manufactures a wide range of high specification products with extraordinary properties, across multiple sectors and geographies.

From an extensive range of advanced materials we produce components, assemblies and systems that deliver significantly enhanced performance for our customers' products and processes. Our engineered solutions are produced to very high tolerances and many are designed for use in extreme environments.

The Company thrives on breakthrough innovation. Our materials scientists and applications engineers work in close collaboration with customers to create outstanding, highly differentiated products that perform more efficiently, more reliably and for longer.

Morgan Advanced Materials has a global presence with over 10,000 employees across 50 countries serving specialist markets in the energy, transport, healthcare, electronics, petrochemical and industrial sectors. It is listed on the London Stock Exchange in the engineering sector.

For further information on Morgan Advanced Materials, view website: and 

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