... 5KgStructure: Power switch, monochromator, flowcell, temperature-control system, sample-filling system, printer, microcomputer system, color LCD, keyboard.Features:(1) Plane holographic ... to control and to handle the test.(4) auto printing, auto memory, auto wavelength change, real-time display.(5) testing method ... RS-232 interface to send data to computer. Big Screen Semi-auto Biochemistry Analyzer