from the department of "here's a freebie from us to you..."

In the February issue of Control, I wrote a tutorial on selecting level transmitters. I used a graphic I call "the level measurement continuum." I've used similar charts for at least two decades, most recently in the new edition of the Marks' Standard Handbook for Mechanical Engineers, 11th Edition for which I wrote a chapter. The Level Measurement Continuum I've found, in over twenty years of teaching level measurement applications, that the concept of , mapping the potential technologies against the applications as a continuum is extremely useful for both introduction to level measurement, and as an application and diagnostic tool for the professional. So, I'm giving away a PDF of the chart seen here: