Ohaus Harvard Trip Mechanical Single Beam Balance without Tare 2000g x 0.1g. Designed for use in a laboratory or classroom. Based on the classic Roberval balance principle, the Harvard Trip balance allows the determination of the difference in mass (rather than absolute value) between two objects, these balances come equipped with built-in sliding masses. Harvard Trip balances are known for their accuracy and durability. With a two-pan design based on the classic Roberval balance principle, Ohaus Harvard Trip balances feature the additional advantages of magnetic damping, beams with sliding weights and a variety of weighing platforms. Ohaus Harvard Trip balance series are precision weighing instruments, designed to provide years of service with virtually no maintenance. Featuring single weighing unit and application mode. Angled beams and pointer are easy to read, and help reduce operator errors. Highly versatile and rugged. Special floating agate bearing, counter balancing knob provides quick zeroing and stays in position. Construction: Metal base and beam, stainless steel pan, hardened steel edges. Weighing units: Gram. Application mode: Weighing. Shipping weight: 8lbs. Capacity: 2000g. Readability: 0.1g. Pan size: 6" dia. Top beam calibration: 10g x 0.1g. Per each. Ohaus #: 1450-SD.