... : 1:500 RBC/PLT: 1:50000 Interfaces RS232 joint, USB, PS2, Parallel port Specifications Test ItemsWBC, LY#, MO#, GR#, LY%, MO ... RatioWBC/HGB: 1:500 RBC/PLT: 1:50000InterfacesRS232 joint, USB, PS2, Parallel portTest Speed60 samples/hoursContinuous Work Time8h HA6000 Auto Hematology ...