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This issue sponsored by Industrial Automation INSIDER

December 2017

Pumps and Flowmeters: More Alternatives

In simple applications, in clean fluids, in normal temperature and pressure applications and in applications where there are no corrosives or abrasives, flow switches are often used. click for more...

Replacing a Starter with a Variable Speed Drive

In that blur that seems to pass for e-mail these days, I seem to recall someone asking whether replacing a starter with a variable speed drive to operate a centrifugal pump was in order. The implication is that the existing motor/pump was being turned on and off to meet demand. click for more...

Premium versus Standard Motors

Premium motors that are more efficient than standard motors have been available for years. Consider the decision as to whether to use a standard motor or a premium motor in a centrifugal pumping application. Simply stated -- evaluate how long it will take to save enough energy to recover the cost differential between a premium motor and a standard motor. click for more...



In addition to over 35 years of experience as an instrument user, consultant, and expert witness, David W Spitzer has written over 10 books and 250 articles about flow measurement, level measurement, instrumentation, and process control. David (with Walt Boyes) is the author of seven Consumer Guides to various industrial flow and level technologies. David teaches his flow measurement seminars in both English and Portuguese.

Spitzer and Boyes, LLC publishes the Industrial Automation INSIDER that is an independent subscription newsletter for industrial automation and process control system users, installers and suppliers world-wide, giving a monthly update on the continuing evolution, development and convergence of automation technologies.

Spitzer and Boyes, LLC provides engineering, technical writing, training seminars, strategic marketing consulting, distribution consulting, and expert witness services worldwide, and can be contacted at +1.845.623.1830 or www.spitzerandboyes.com.


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