I bought an Easton Digital bow scale. One of the coolest little devices - my spring scale will never see use again. I put marks at 28" and my draw 26" and check the two. As others have said, it is very common for specified weight on the bow to be different than actual. Also, I'd been adding or deducting too much weight change per inch. On some of my bows the change is only 2 pounds per inch (at least going down from 28 to 26 inches). I'm not interested in the other direction (beyond 28 inches) because I would never overdraw by going past the corner of the mouth with the index finger because I'd lose the ability to uses back motion to initiate the release. Target panic would result.