Digital Counting Scales – 0.1g electronic scale ,look at the weight of the items you place on the weighing platform and divide the weight by the number of pieces you entered, to compute the average piece weight (APW). This is how a digital counting scale displays the number of pieces or parts or better yet how it works. The item(s) you are counting must be uniform in weight. No counting scale will ever work if there is a significant variation in the weight of the items. The larger the initial sample (100 pieces versus 5 pieces) the better results the counting scale can provide since it averages out any variations in the piece weights for accuracy.