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This issue sponsored by Spitzer and Boyes, LLC

August 2018

Flowmeter Quirks: Why Is My Flowmeter Not Reading Right? (Pump Curves)

One of the things people often do is compare the flowmeter's reading to expected flows based on generic pump curves. This almost always gets people into trouble. There are some really good reasons for this. First, the pump curves are generic, that is, they are published for a whole family of pumps, not a specific pump installed in your installation. Your pump should perform fairly closely to the curve, the day it is installed. click for more...

Incinerator Combustion Air Flowmeter: Calibrating the Instrument

The selection of an insertion turbine flowmeter to measure the combustion air flow in an incinerator was discussed previously. Other flow technologies might have been preferable from a maintenance perspective because we did not have any similar turbine flowmeters in the plant. However, the insertion turbine flowmeter was the only flowmeter found that would meet the requirements of the application. Therefore, once installed, we had to maintain this instrument and a similar flowmeter used to measure the natural gas flow to the incinerator. click for more...

Estimate the Annual Cost of a Raw Material

What is the approximate annual cost of a raw material purchased for $2 per liter flows into a chemical process at 10 liters per minute? 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 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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