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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 2011

Non-Contact Radar Level Measurement (Part 2 of 3)

Still another proprietary technique can be used for liquids with dielectric constants as low as 1.05. The radar beam passes through the vapor space and liquid before being reflected back to the sensor by bottom of the vessel. Information from the reflected signal is then processed to infer the liquid level in the vessel. click for more...

Flowmeter Installation Considerations:
Understanding Factors That May Affect Flowmeter Accuracy

Flowmeters are geometric devices. By this I mean that flowmeter operation is dependent upon the geometry of the installation. Measurement error can occur by relaxing or ignoring virtually any constraint of any aspect of the flowmeter geometry. click for more...

Orifice Plate Installation Factors

Examination of the standards for orifice plate installation may lead one to believe that the orifice plate is more than just a simple metal plate (with a hole) that is sandwiched between two flanges. Further, the wetted part of the flow measurement system is more than just the orifice plate itself -- it includes the geometry of the upstream straight run, orifice plate assembly, and downstream straight run. click for more...

 

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