... Performance:Parameter Repeatability (CV %)Linear RangeWBC ≤2.5%0.00-99.9×109/LRBC ≤2.0% 0.00-9.99×1012/ ... 640 × 480Reference Value:Baby, Kid, Woman, Man, Normal and CustomizationInterface:2 × USB, 1 × parallel (for external printer), 1 × VGA (for external ... monitor), 2 × PS/2, 2 × RS-232(for network);Printer:Built-in thermal recorder, optional ...