... independent operation model: Figure button, mouse, international Key-board 5. Low sample volume,10~40uL adjusted. high precision ... 9. Internal thermal-sensitive printer or external printer. 10.RS232 interface, PC connecting Specifications: Parameters: WBC, LY#, MO#, GR ... histograms, Environment: TEMP 10-35°C,Humidity 10-90%, available in altiplano. lnterface: RS 232, USB interface, Mouse& Keyboard ...