Have you ever wondered how to quantify something you can’t see? How about equating that something to dollars? What if that “something” was plant air and your valve positioner was consuming a lot of it? How do you quantify that, and is it even worth your time? In short, yes, it IS worth it!  A few years back, one of our colleagues showed us how getting a handle on the cost of air saved one customer $600,000. You can read it here.