I think what you are asking for is a way to determine what gram weight you have or what is appropriate. Your messages here are pretty cryptic. Anyway, if you'er looking for a way to measure the 5 grams you need for your probe to triger when you adjust it, use a nickel. tape it, drill a small hole in it, find SOME way to place it on the end of your stylus and adjust away. Just be careful not to go too tight/