Open system gives precise temperature control

Affinity Energy engineered a universal replacement for cold, warm and freezer chambers at UNC Chapel Hill.

CG 1709 Feat2 Figure3 MN

The University of North Carolina (UNC) at Chapel Hill was spending too much time and money supporting an existing control system. That’s unacceptable for UNC Chapel Hill, which has nearly $1 billion in annual research expenditures, and ranks eighth in research activity among public and private universities in the United States. Much of this research is done in about 1,000 cold, warm and freezer chambers located around campus. Some chambers store millions of dollars worth of products, while others perform critical research in life science. In many cases, chamber temperatures must be controlled accurately to within 0.5 °C due to the controlled experiments inside. Many…

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Resources

State of Technology: level measurement

CT 1708 Level Cover egThe latest trends, technology and implementations are detailed in this new ebook from the editors of Control. Download it here.

 

Our latest issue: August 2017

August CoverProcess, power and plant controls have evolved to use more software and digital components, removing many of the functional obstacles between them and allowing more free communication. Learn more in our August issue. Read the issue.

 

Voices: Ask The Experts

How to compensate DP for elevation

Accurate measurement of differential pressure is never as simple as it seems.

Q: We need to measure differential pressure between two pipes at different heights. As shown in Figure 1, the tapping point of the low-pressure pipe is about ground level, and that of high-pressure pipe is 1.5 m above. What factors we should consider? The medium is water (liquid). I would like to…

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Most Recent

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    By Allan Evora

    The University of North Carolina (UNC) at Chapel Hill was spending too much time and money supporting an existing control system. That’s unacceptable for UNC Chapel Hill, which has nearly $1 billion in annual research expenditures, and ranks eighth in research activity among public and private…

    Full Story
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  • How to compensate DP for elevation

    Q: We need to measure differential pressure between two pipes at different heights. As shown in Figure 1, the tapping point of the low-pressure pipe is about ground level, and that of high-pressure pipe is 1.5 m above. What factors we should consider? The medium is water (liquid). I would like to…

    Full Story
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