I am looking for a new bathroom bodyweight weighing scales as my old one is well gone bonkers jumping 12lbs every 10 seconds

What would you recommend in terms of an accurate bodybuilding scales

All of the electrical scales say

"The body fat monitor function is not intended for pregnant women, professional athletes or bodybuilders."

So just a bog standard scales that just weighs seems to be the business?

And use the mirror for bf and/or calipers

What are those industrial scales they use in some gym's with the little pin that has to be moved to the middle?

thanks