Page 9 - Instrumentation Reference Book 3E

Preface to the

third edition

This edition is not completely new. The second and purchased, or in some cases, read online free,
edition built on the first, and SO does this edition. so it has not been necessary to cross-reference
This work has been almost entirely one of “inter- standards liberally in this work.
nationalizing” a work mainly written for the UK. The Editor wishes to thank all the new contri-
New matter has been added, especially in the butors, attributed and not. for their advice, sug-
areas of analyzers, level and flowmeters, and gestions, and corrections. He fondly wishes that
fieldbus. References to standards are various, he has caught all the typographical errors? but
ard British Standards are often referenced. Inter- knows that is unlikely. Last, the Editor wishes
national standards are in flux, and most stand- to thank his several editors at Butterworth-
ards bodies are striving to have equivalent Heinemann for their patience, as well as Michael
standards throughout the world. The reader is Forster, the publisher.
encouraged to refer to IEC, ANSI, or other stand-
ards when only a British Standard is shown. The Walt Boyes
ubiquity of the World Wide Web has made it Maple Valley, Washington
possible for any standard anywhere to be located 2002