Sensors and Transducers
Sensors and Transducers
Sensors and Transducers
Third edition Ian R. Sinclair
OXFORD
AUCKLAND
BOSTON
JOHANNESBURG
MELBOURNE
NEW DELHI
Newnes An imprint of Butterworth-Heinemann Linacre House, Jordan Hill, Oxford OX2 8DP 225 Wildwood Avenue, Woburn, MA 01801-2041 A division of Reed Educational and Professional Publishing Ltd A member of the Reed Elsevier plc group First published by BSP Professional Books 1988 Reprinted by Butterworth-Heinemann 1991 Second edition published by Butterworth-Heinemann 1992 Third edition 2001 # I. R. Sinclair 1988, 1992, 2001 All rights reserved. No part of this publication may be reproduced in any material form (including photocopying or storing in any medium by electronic means and whether or not transiently or incidentally to some other use of this publication) without the written permission of the copyright holder except in accordance with the provisions of the Copyright, Designs and Patents Act 1988 or under the terms of a licence issued by the Copyright Licensing Agency Ltd, 90 Tottenham Court Road, London, England W1P 9HE. Applications for the copyright holder's written permission to reproduce any part of this publication should be addressed to the publishers British Library Cataloguing in Publication Data A catalogue record for this book is available from the British Library ISBN 0 7506 4932 1
Typeset by David Gregson Associates, Beccles, Su¡olk Printed and bound in Great Britain
Contents
Preface to Third Edition Preface to First Edition Introduction 1 Strain and pressure 2 Position, direction, distance and motion 3 Light and associated radiation 4 Temperature sensors and thermal transducers 5 Sound, infrasound and ultrasound 6 Solids, liquids and gases 7 Environmental sensors 8 Other sensing methods 9 Instrumentation techniques 10 Switch principles 11 Switch mechanisms 12 Signal-carrying switches Appendix A: Suppliers of sensors and transducers Appendix B: Glossary of terms Index
vii ix
Sensors and Transducers
Third edition Ian R. Sinclair
OXFORD
AUCKLAND
BOSTON
JOHANNESBURG
MELBOURNE
NEW DELHI
Newnes An imprint of Butterworth-Heinemann Linacre House, Jordan Hill, Oxford OX2 8DP 225 Wildwood Avenue, Woburn, MA 01801-2041 A division of Reed Educational and Professional Publishing Ltd A member of the Reed Elsevier plc group First published by BSP Professional Books 1988 Reprinted by Butterworth-Heinemann 1991 Second edition published by Butterworth-Heinemann 1992 Third edition 2001 # I. R. Sinclair 1988, 1992, 2001 All rights reserved. No part of this publication may be reproduced in any material form (including photocopying or storing in any medium by electronic means and whether or not transiently or incidentally to some other use of this publication) without the written permission of the copyright holder except in accordance with the provisions of the Copyright, Designs and Patents Act 1988 or under the terms of a licence issued by the Copyright Licensing Agency Ltd, 90 Tottenham Court Road, London, England W1P 9HE. Applications for the copyright holder's written permission to reproduce any part of this publication should be addressed to the publishers British Library Cataloguing in Publication Data A catalogue record for this book is available from the British Library ISBN 0 7506 4932 1
Typeset by David Gregson Associates, Beccles, Su¡olk Printed and bound in Great Britain
Contents
Preface to Third Edition Preface to First Edition Introduction 1 Strain and pressure 2 Position, direction, distance and motion 3 Light and associated radiation 4 Temperature sensors and thermal transducers 5 Sound, infrasound and ultrasound 6 Solids, liquids and gases 7 Environmental sensors 8 Other sensing methods 9 Instrumentation techniques 10 Switch principles 11 Switch mechanisms 12 Signal-carrying switches Appendix A: Suppliers of sensors and transducers Appendix B: Glossary of terms Index
vii ix