NEW 2015 EDITION!!

Purdy's Instrument Handbook (By Ralph Dewey) This book represents years of instrument experience and know-how. It contains: • Notes • Examples • Procedures • Hook-up drawings and tables The author's purpose was to make a quick reference field book, rather than a textbook. This handbook is a "Must Have" book for all instrument craftsmen, technicians, operators, and engineers as a quick reference. This book was written with the assumption that the reader/user has some basic instrumentation knowledge and experience.

Click here to see Inside the Book

About the Author:

Ralph Dewey has worked as an instrument craftsman, training coordinator and maintenance specialist for over 30 years.  He is an ISA Level III Certified Control System Technician and has taught instrument courses at San Jacinto College and Lee College. 

Other Books Published by the author:

 Purdy’s Instrument Handbook (104 pages) has been the favorite instrument reference book for craftsmen and instrument specialists since 1996.  It contains conversion factors, hookup diagrams, formulas, calibration information and lots of helpful reference data.

 Purdy’s Instrument Handbook #2 (104 pages)  contains all NEW and Different material from the original Purdy's Instrument Handbook.   It includes plenty of instrument solutions and answers, tricks of the trade, formulas, loop designs and useful reference data.

 Dewey’s Instrument Troubleshooting Handbook (104 pages) was published in 2001 and already it has become a popular resource.  It contains startup and checkout pointers, tricks of the trade, rules of thumb and lots of ideas for solving problems.  It contains plenty of troubleshooting techniques, tips and examples.