Spitzer and Boyes, LLC Website

DAVID W. SPITZER'S E-ZINE

TECHNICAL AND MARKETING SERVICES
FOR INSTRUMENTATION SUPPLIERS AND END-USERS

This issue sponsored by Magnetrol International, Incorporated

November 2012

Capacitance Level Measurement Technology (Part 1 of 3)

Capacitance level measurement sensors are probes that are partially covered by material in the vessel. Rising level tends to cover more of a probe inserted from the top of the vessel. click for more...

Throttling a Pump with a Control Valve:
An Irked Engineer Takes a Stand Against a Wasteful Operation

I got a sick feeling in my stomach every time I walked by our extractor feed pump. Fortunately, there were no safety hazards or other onerous situations waiting to occur. It just irked me that the pump was operating at full speed with its flow being throttled by a control valve located about one meter above the pump. click for more...

Downstream Disturbances

To determine the relative effects of downstream disturbances on the performance of each technology, one could analyze the downstream straight-run requirements for each technology. click for more...

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ABOUT SPITZER AND BOYES, LLC

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 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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