Ohaus Cent-O-Gram Overhead Mechanical Balance 311g x 0.01g. Designed for use in a classroom, in a laboratory, in an intrinsically safe environment. The Cent-O-Gram Balance offers high precision and remarkable value. Everything about the Cent-O-Gram Balance ensures a high standard of quality. The balance offer 10 times the readability of the Ohaus Triple Beam and Dial-O-Gram top-loading balances. Ohaus Cent-O-Gram Overhead Balances offer the accuracy and convenience of an integrated weigh-below balance while allowing students to visualize mass measurement principles. Featuring single weighing unit and application mode. The three-point base, special floating bearing principle and beam design eliminates the need for level adjustment. Zeroing is quickly achieved by means of a zero adjust knob at the end of the beam. Notched and tiered beams for easy reading. Self-aligning with beam design and special floating agate bearings. Magnetic dampening minimizes oscillation and speeds weighing. Construction: Aluminum pressure casted base and beam, removable stainless steel pan, steel knife-edges. Weighing units: Gram. Application mode: Weighing. Capacity: 311g. Readability: 0.01g. Suspended pan size: 3.5" dia x 0.5" D. Scale dimensions: 12" W x 9" H x 18" D. Front beam calibration: 1g x 0.01g. Second beam calibration: 10g x 1g. Third beam calibration: 100g x 10g. Rear beam calibration: 200g x 100g. Color: White. Per each. Ohaus #: 311-00.