A smaller scale can work for all grain brewers, as you can weigh any amount of grain in multiple batches, but if you’re a large batch all grain brewer or regularly brew all grain batches with larger grain bills you may want to consider a two scale approach, one more precise scale for hops and a larger capacity scale for larger grain bills.  A couple scales to consider:

• Hands On Review: American Weigh 100g x 0.01g Digital Scale
• Hands On Review: Ultraship 55 lb Digital Scale [Grain] With Removable Face