Measurement and Control Basics, 3rd Edition
Thomas A. Hughes
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Process Control and Process Control Loops Fundamentals Temperature and Pressure Measurement Level Measurement and Control Analytical and Flow Measurement
Taken from Measurement and Control Basics, Third Edition
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Copyright © 2002 ISA – The Instrumentation, Systems, and Automation Society All rights reserved. Printed in the United States of America. 10 9 8 7 6 5 4 3 2 ISBN 1-55617-764-X No part of this work may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior writtenpermission of the publisher. ISA 67 Alexander Drive P.O. Box 12277 Research Triangle Park, NC 27709
Library of Congress Cataloging-in-Publication Data Hughes, Thomas A. Measurement and control basics / Thomas A. Hughes.-- 3rd ed. p. cm. -- (Resources for measurement and control series) Includes bibliographical references and index. ISBN 1-55617-764-X 1. Process control--Instruments. 2. Measuringinstruments. I. Title. II. Series. TS156.8 .H78 2001 670.42'7--dc21 2001006083
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ISA Resources for Measurement and Control Series (RMC)
• • • • • • Measurement andControl Basics, 3rd Edition (2002) Industrial Level, Pressure, and Density Measurement (1995) Industrial Flow Measurement (1990) Programmable Controllers, 3rd Edition (2001) Control Systems Documentation: Applying Symbols and Identification (1993) Industrial Data Communications: Fundamentals and Applications, 3rd Edition (2002) • Real-Time Control Networks (1993) • Automation Systems for...
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