Ohaus 720-00 [80000032] Triple Beam Scale, 610 g, w/ Polypropylene Scoop. Accurate and dependable, the Ohaus 720-00 Triple Beam balance has been the standard in science classrooms for decades. Whether you're weighing solids, liquids, powders or even animals, an Ohaus 700 Series Triple Beam balance is well equipped to handle the job. The Ohaus 720-00 offers the accuracy and convenience of a toploading balance while allowing students to gain hands-on experience through manipulation of the poises and attachment weights (sold separately), as well as to visualize mass measurement principles.