New born digital scale The new born digital scale is gently curved to prevent infants from rolling off during weighing, and features excellent precision to accurately track babies’ growth. Extension pieces can be attached over the handles at either end for holding longer babies .Several features of the scale are specifically useful for babies, such as the tare function that allows the weight of a diaper to be tared and then removed from the total weight, and the hold function that locks a weight measurement even as the baby continues to move.