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DAVID W. SPITZER'S E-ZINE

TECHNICAL AND MARKETING SERVICES
FOR INSTRUMENTATION SUPPLIERS AND END-USERS

This issue sponsored by Spitzer and Boyes, LLC

AUGUST 2008

Ultrasonic Flowmeters (Part 4 of 4)

Pulse repetition ultrasonic flowmeters (sometimes called sing-around ultrasonic flowmeters) also alternately transmit ultrasonic energy into the pipe in the direction and against the direction of flow. In this design, receipt of an ultrasonic pulse triggers the sending of a new ultrasonic pulse. click for more...

Buyer Beware: When Suppliers Won’t Reveal Performance Specs

In your adventures specifying instrumentation, you have probably encountered sales people who use a number of tactics to avoid answering questions about the specifications of their instruments. click for more...

Calculating Totalized Flow

To verify the approximate operation of a flowmeter, it may be desirable to calculate the amount of fluid in a vessel before and after fluid flows into (or out of) the vessel. Comparing the calculations with the totalized flow can provide a check on the performance of the flowmeter. click for more...

 

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ISSN 1538-5280
©2008 Spitzer and Boyes, LLC
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