Originally Posted by Nikkahtropolis
We have a machine similar to what you're describing, except the weight plate is done at a different point from your bfat analysis. The best time to use it is as soon as possible after you wake up in the morning. Things like hydration, intake, and working out throw off the values a lot. I can make the reading go from 17 to 14 percent just by drinking a lot of water, measuring myself, then sweating it all out in about two hours.
Hmm I'll give that a shot. Good luck with this dude, I have some goals I'm working towards as well and this is helping me stay motivated.