This handy guide helps readers quickly identify instrumentation. It includes data on control devices, monitors, and batteries, and a chapter on bar coding as a control procedure. Pocket Guide to Instrumentation is a handy guide that helps simplify procurement and handling of instrumentation equipment and accessories. It provides materials personnel with concise, straightforward information for identifying and tracking the many types of control devices, fittings, valves, etc. that accompany instrumentation projects. It also includes data on cables, monitors, and batteries, and a chapter on how.