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This issue sponsored by Industrial Automation INSIDER

February 2017

Extreme Measurement: Chlorine Properties

While chlorine gas is usually stored at low pressure (approximately 60 psig), its high expansion ratio makes it dangerous to handle. I personally witnessed a 150-lb upright cylinder of chlorine gas turn into an unguided missile when it was dropped accidentally off the tailgate of a delivery truck onto its valve, which promptly broke off, venting gas through what became immediately a rocket nozzle. click for more...

Coriolis Mass Flowmeter Zero Stability

The first edition of The Consumer Guide to Magnetic Flowmeters (co-authored with Walt Boyes) was published in 2002. The tabulation of quantifiable differences in performance between the various magnetic flowmeters available at the time presented useful information for both users and manufacturers. click for more...

Flowmeter Performance

A Coriolis mass flowmeter with an accuracy of 0.1 percent of flow rate, an upper range limit of 300 kg/min, and a zero stability of 0.01 percent of upper range limit is calibrated to operate between 0 and 100 kg/min. What is the approximate performance of the flowmeter at 30 percent of its full scale flow? 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.


ISSN 1538-5280
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