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DAVID W SPITZER'S E-ZINE (March 2020)

TECHNICAL AND MARKETING SERVICES
FOR INSTRUMENTATION SUPPLIERS AND END-USERS

Application Impossible by Walt Boyes

One of the problems with automated systems is that they are often an afterthought.

Chemical Composition of Natural Gas: A Game of Alphabet Soup by David W Spitzer

Sometimes, the obvious is not quite evident. Have you specified a flowmeter for natural gas service in your career? I suspect that a few individuals routinely specify natural gas flowmeters, while many others have specified a handful of such flowmeters in their careers, and the remainder has not specified any flowmeters for natural gas service at all. Regardless of where you fall in this spectrum, consider how you would describe the process fluid in your specification. The obvious choice would be "natural gas" and you would be in good company if this was your response.

Effect of Gas Temperature Variation by David W Spitzer

A flowmeter that measures velocity is designed to measure the flow of a gas whose temperature is controlled within 3 degC of its setpoint of 27 degC. What is the approximate flow error resulting from the expected temperature fluctuation?

This article originally appeared in Flow Control magazine at www.flowcontrolnetwork.com.

ABOUT SPITZER AND BOYES, LLC

In addition to over 40 years of experience as an instrument user, consultant and expert witness, David W Spitzer has written over 10 books and 450 articles about flow measurement, level measurement, instrumentation and process control. David teaches his flow measurement seminars in both English and Portuguese.

 

Spitzer and Boyes, LLC provides engineering, technical writing, training seminars, strategic marketing consulting and expert witness services worldwide.

 

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