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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

September 2011

Non-Contact Radar Level Measurement (Part 3 of 3)

Radar sensor geometries generally include parabolic, cone/horn, stick/rod, and stilling well designs. Parabolic sensors are typically large (over 8-inch) and produce a strong radar beam with a relatively small beam angle that can measure large distances and/or exhibit custody transfer performance. click for more...

Backwards Flow Measurement
An Odd Installation Produces Successful Results

We operated our reactor for about six months with its catalyst recirculation flowmeter installed backwards. This flowmeter measures the gas flow stream used to transport catalyst to the regenerator and is critical to proper reactor operation and preventing plugging in the recirculation piping. click for more...

Tap Orientation for DP Flow Element in Liquid Service

In liquid service, the taps should be oriented so the impulse tubing remains completely filled with liquid in order to maintain a hydraulic connection between the flow element taps and the differential-pressure transmitter. Failure to maintain a liquid hydraulic connection between the flow element taps and the differential-pressure transmitter can adversely affect the accuracy of the flow measurement system. click for more...

 

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