Portable instruments have evolved through several iterations to encompass as much data collection, analytical, and correction tools as possible in a single, convenient, and light-weight package.  No matter what, walking (or crawling) from one production machine point to another it is still a dangerous and uncomfortable task in most cases.  What could be better than sitting in an air-conditioned computer room and having instant access to key points on a machine for performing fact-finding, root-cause…

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