Board Thread:Questions and Answers/@comment-92.192.67.61-20130504190351/@comment-8607467-20130513101629

the applied energistics mod will do exactly what you want. you just have to hook up a storage bus to the dsu and it will read how much is in the dsu. of couse thats assuming you have a setup thats working already. i sugest watching the mindcrafters tutorials.