 right but boy that doesn't that doesn't work i don't know what rain is supposed to be well you're going to see you know you're going to see it go down as it builds up pressure in the tank and you're going to see it go up as vacuum exists if i recall correctly all right your scale the opposite actually yeah okay voltage goes down as i apply vacuum okay so but it sweeps in one direction and then it increases in the other yes all right i wonder what the starting point is because you're in colorado