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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

October 2009

Non-Contact Level Gauge Performance (Part 2 of 4)

An absolute (fixed) distance error statement describes an error that is constant. This error is independent of the calibration range and the actual level in the vessel. For example, the stated accuracy of a level measurement system in a 1000 mm high vessel (100% level located 100 mm below the sensor) might be ±10 mm. click for more...

Calibration Concerns:
The Advantages of Calibrating in the Field vs in the Shop

Sometimes doing the correct thing with insufficient tools can get you into trouble. One client's custody-transfer differential pressure transmitters are a case in point. click for more...

Considering Your Components:
The Many Elements of a Flow Measurement System

Flow measurement systems are often composed of a number of components that can have different performance specifications. This is especially applicable for flowmeters in which the flow measurement system consists of components that are designed and manufactured separately. click for more...

 

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