This family of durable, reliable balances delivers the performance and precision you'd expect to find only in premium-priced balances. Classic analytical design. RS232 bidirectional interface for easy integration with peripherals. Statistics on 255 samples. Lock-out switch safeguards your pre-set parameters. With standard features such as 4-button, simplified menu operation, internal motorized calibration, auto tare, GLP software, and 11 weighing modes including simplified parts counting, percent weighing and 1 user-definable custom unit, each Analytical Plus balance provides a perfect combination of user-friendly operation and value. Weighing units: g, dwt, ct, oz, t, gn, taels (3), mommes, 1 custom unit. Vacuum florescent display (0.5" high). Pan size is 3.5" in diameter. 100-240 VAC, 50/60 Hz.