I have a grinder with a built in (sealed) hopper where I store my beans. I assume from the setup, the grinder would have to sit on it for ease of use.
The scale can be zeroed out with anything up to 2kg. If your grinder is reasonably lightweight, this would work fine. Most people keep the coffee on the scale, then dump some into the grinder every few days.
I have a grinder with a built in (sealed) hopper where I store my beans. I assume from the setup, the grinder would have to sit on it for ease of use.