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Calibration of Temperature and Pressure Sensors

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Calibration of Temperature and Pressure Sensors
CALIBRATION OF TEMPERATURE AND PRESSURE SENSORS

Mechanical Engineering Department
Loyola Marymount University
Los Angeles, California

ABSTRACT
In this laboratory experiment, an Omega Model PX- 236-060GV piezoresistive pressure transducer was calibrated, by using an AMTEK model deadweight pressure tester. For the temperature calibration an Jofra Model C-140 temperature calibrator was used. The experiment began by setting up the Jofra Model C-140 temperature calibrator, and taking data from two systems, which were different temperatures. Then the lab went into measuring the outputs of the pressure transducer at different pressures. In conclusion the pressure calibrator and temperature calibrator were proved to be accurate in their measurements through the use of plots, data analysis and statistical analysis methods.

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TABLE OF CONTENTS

Section Page

Introduction 3

Theory

Experimental Procedure

Results and Discussion

Conclusions and Recommendations

References

Appendices Appendix A

INTRODUCTION
The goal of this lab project was to calibrate temperature and pressure measurement systems. The systems we calibrated, were the Omega Model PX-236-060GV Piezoresistive Pressure Transducer, a thermocouple, and a thermistor. In order to obtain more accurate and precise readings, an AMTEK Model RK Deadweight Pressure Tester was utilized to calibrate an Omega Model PX236-06GV Piezoresistive Pressure Transducer. We had to add metal plates in increments of 5 psig until we reached 60 psig to a deadweight tester. The way we used the results was by using them to calculate the percent error and standard deviation. The results that were expected were that this calibration experiment would use two methods of calibration which both would work well. These results



References: | Figure : Temperature calibration system (Angelica, 2010) | | Figure : Pressure calibration system (Angelica, 2010) |

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    Pearson Education Limited Edinburgh Gate Harlow Essex CM20 2JE England and Associated Companies throughout the world Visit us on the World Wide Web at: www.pearsoned.co.uk First published 1983 Second Edition 1988 Third Edition 1995 Fourth Edition published 2005 © Pearson Education Limited 1983, 2005 The right of John P. Bentley to be identified as author of this work has been asserted by him in accordance w th the Copyright, Designs and Patents Act 1988. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without either the prior written permission of the publisher or a licence permitting restricted copying in the United Kingdom issued by the Copyright Licensing Agency Ltd, 90 Tottenham Court Road, London W1T 4LP. ISBN 0 130 43028 5 British Library Cataloguing-in-Publication Data A catalogue record for this book is available from the British Library Library of Congress Cataloging-in-Publication Data Bentley, John P., 1943– Principles of measurement systems / John P. Bentley. – 4th ed. p. cm. Includes bibliographical references and index. ISBN 0-13-043028-5 1. Physical instruments. 2. Physical measurements. 3. Engineering instruments. 4. Automatic…

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