Flow Measurement & Control


Thermal mass flow measuring system

August 2009 Flow Measurement & Control

The Proline t-mass thermal mass flow measuring system from Endress+Hauser is suitable for measuring the mass flow rate of a wide range of gas types in industries such as brewing and pharmaceutical manufacturing.

The t-mass provides direct measurement of gas mass flow and also provides temperature as an output. The device offers quick set-up, programmable gas mixture and can be calibrated in-situ. The t-mass can measure 20 selectable gas types and is suitable for applications including monitoring carbon dioxide levels in fermentation vessels and leakage detection.

In the brewing process, unpasteurised beer is treated with carbon dioxide to enhance product quality. The quality regulations require exact flow measurement to standards met by the t-mass 65F. The device has been used with success by a US brewing company to measure gas levels.

In an Irish brewery the t-mass 65F is used in the measurement of carbon dioxide in the fermentation vessels in a cider producing facility. The device provides an accurate measurement of the flows into and out of the vessels.

In another application the t-mass is used in the hydrogenation process of a pharmaceutical company. At the start of the process, there is a high flow of hydrogen which slowly reduces until it reaches saturation. The flow is then stopped. Two devices are used in the measurement process – the first unit calibrated for the high end of the flow range and the second specially calibrated for the low end.

The Proline t-mass instruments are ideal for these types of applications because they are individually calibrated with traceable certification. They are also approved for use in hazardous areas – ATEX, FM, CSA, IEC Ex, and NEPSI.

Proline offers a standard solution for normal and low pressure applications and depending on requirements direct mass or corrected volume flow is measured.

For more information contact Frans van den Berg, Endress+Hauser, +27 (0)11 262 8000, [email protected], www.za.endress.com



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