The Supertech Instrumentation Aide is a compilation of reference material, charts, formulas, definitions, cross reference tables, and more for instrument technicians. Pocket size of 3" by 6" in a vinyl cover. 82 pages. Comes with a 2" by 4" flexible magnifier. This is not SuperTech reference for water operators.

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 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.