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Temperature Control and Measurement

Temperature is a crucial measurement parameter that is used for control and monitoring fluid in a variety of process industries. It can be measured and controlled with the help of a diverse array of temperature controlling and measuring devices. All of these devices infer temperature by sensing some change in a physical characteristic. Accurate temperature sensing of liquids, gases and plasmas is essential to process control and energy management systems.

Temperature-control-fluid-handling-thermometer

Industrial temperature controllers are used to maintain constant temperature of process or plant or any material. In such temperature controller system there is one reference temperature called set temperature. This is the desired temperature that must be maintained at all times.

Industrial temperature controllers in industry work much the same way they do in common household applications. A basic temperature controller provides control of industrial heating and cooling processes. Typical, in applications, sensors measure the actual temperature. This sensed temperature is constantly compared to a user setpoint. When the actual temperature deviates from the setpoint, the controller generates an output signal to activate other temperature regulating devices such as heating elements or refrigeration components to bring the temperature back to the setpoint.

Temperature controllers are used in a wide variety of industries to manage manufacturing processes or operations. Some common uses for temperature controllers in industry include plastic extrusion and injection molding machines, thermo-forming machines, packaging machines, food storage and food processing. Some common temperature control applications in industry:

  • Heat Treat/Oven
  • Packaging
  • Plastics
  • Healthcare
  • Food & Beverage

Fluid temperature control is a highly effective process that ensures an unprecedented level of accuracy (within 1°C), bringing new levels of predictability to temperature control (even at -120°C or -184°F).

Fluid temperature control is crucial in today’s advanced hydronic heating systems, not only to increase overall system efficiencies, but also to increase the overall comfort level within a system. Fixed water temperature control is still applicable in process applications, however for fluid temperature control provided to a heating terminal unit, it should be a thing of the past.

Fluid temperature control in heating or cooling circuits using oil or water is an established method used in machines, systems and vehicles. Optimal temperature control is indispensable when keeping your production running smoothly or using your vehicles.

Many industrial processes require a precisely controlled temperature to ensure quality. Various thermal transfer media are used to cool and heat, including water, air, oil or mixtures of these substances. Process temperatures can be controlled reliably on the basis of the flow values and with the aid of an intelligent solution.

Although highly desirable, it is often difficult to control the temperature in a process because its measurement must be within a specified range of accuracy and have a specified degree of speed of response, sensitivity, and dependability. Additionally, temperature measurements must also be representative of true operating conditions in order to achieve successful automated control. The instrument selected, installation design, and location of the measuring points determine these specifications.

This Technology Zone offers an insight into the latest innovations in fluid temperature measurement and control.

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Experts for Temperature Control and Measurement

Dietmar Saecker is temperature measurement expert at Endress+Hauser in Nesselwang, Germany. His experience covers technical sales support, consulting for difficult temperature measurement applications and international know-how transfers, especially in the Life Sciences industry. He also teaches at the Kempten University of Applied Sciences. Dietmar studied Chemical Engineering with a focus on measurement and control technology at the University of Dortmund. Experience from many customer visits has shown him that many problems arise from an incorrect choice of equipment. In lectures and training courses on temperature measurement technology, he demonstrates the complexity of the subject and regularly surprises numerous listeners with his thoughts and experiences. His recipe: “Recognizing trends and sharing knowledge. Because only when we share knowledge can we develop better solutions together.” Dietmar is looking forward to your questions and the exchange with you.
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Erik Tiemensma, Sales Knowledge Manager, has over 20 years of experience in flow and pressure measurement and control for gas, liquid and vapour. For many years Erik worked as Sales Engineer supporting worldwide sales channels in finding the best solutions for customers’ applications. At Bronkhorst we are convinced that sharing experiences and knowledge is an added value for customers, when discussing the most suitable products for their applications. As part of this expert panel, looks forward to your challenging flow or pressure questions.
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Ryan Fitzgerald, Product Manager at Anderson-Negele, is an expert for the process management sensor portfolio which includes electromagnetic flow meters, Coriolis flow meters, temperature sensors and pressure sensors. He has spent the past years turning customer pain points into innovative sensing and measurement solutions. Given Anderson-Negele’s global 90+ year focus in the hygienic industry Ryan also has a vast knowledge of hygienic/sanitary design standards and requirements that apply to sensors primarily used in the Food & Beverage and Life Science industries. After completing a BS in Mechanical Engineering at Clarkson University Ryan joined the Team at Anderson-Negele in Fultonville NY. Ryan has developed technical product and application knowledge throughout his career through roles in design and application engineering. A passion for understanding and solving customer problems led Ryan to his current position as product manager at Anderson-Negele.
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