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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

February 2011

Level Measurement (Part 2 of 2)

Level measurements can be used to keep tanks in the plant within reasonable operating limits. Tanks that become empty can potentially upset production due to the inability to feed the downstream process. They can also cause a lack of flowing material that can damage equipment, such as pumps. On the other hand, tanks that overflow can potentially create environmental hazards. click for more...

Flowmeter Turndown Overkill:
Is 10,000-to-1 Really Better Than 100-to-1

It would be fair to say that the overwhelming majority of instrument suppliers make valid claims about the instruments they sell. For example, a supplier may claim that its flowmeters perform within a specified accuracy, such as 0.5 percent of flowrate. The supplier has presumably tested the flowmeter and found that its performance falls within this specification. The user can then decide whether this particular flowmeter meets the needs of the application. click for more...

Measuring Forward & Reverse Flow

Which of the following flowmeters can measure both forward and reverse flow? A. Differential-Pressure, B. Magnetic, C. Turbine, D. Ultrasonic click for more...

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