... result. Specifications Principle:Electrical resistance for counting, hemiglobincyanide method and SFT method for hemoglobinParameters:3-part differential of ... 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, ...