Mel's PicksJune 1, 2005 By: Melanie Martella, Sensors Sensors
New to Bookshelves!
The Consumer Guide to Non-Contact Level Gauges
Authors: David W. Spitzer and Walt Boyes
Published by Copperhill and Pointer, Inc.
This report discusses the current state of noncontact level sensing technology (excluding certain less common approaches, such as nuclear and bottom-up ultrasonic level transmitters); it discusses what's out there, how it works, what characteristics to consider, and who makes it.
There are 15 chapters. The first three cover the basics of level measurement systems, the technology used to measure level without contact, and transmitter design (analog, digital, and fieldbus). The rest of the book is devoted to supplier data and analysis (finding ways to directly compare the various systems based on supplier specifications), performance (level measurement system, reference, and actual), supplier performance claims, installation considerations, discussion of accessories, explanation of the book's attachments, and profiles of suppliers of noncontact level gauges.
The attachments include a table listing the various noncontact level gauge categories and who makes them, a table listing the availability of various features (such as approvals, communications, and maximum process temperatures), tables listing the reference accuracy for various tank heights, and finally products and specifications arranged by supplier.
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