... 1,Semi-automatic Elisa Microplate Reader 2,DG5031 elisa reader 3,nice appearance,easy operation 4,Single &double wavelength DG5031 Semi-automatic Elisa Microplate Reader Main Specification: ... MethodManual single-wavelength(vertical single-optical-channel)Computing ModelQualitative(S/CO,P/N,N/P,Inhibitory rate, etc)and ... *33.5*20cmGross weight:9KG DG5031 Semi-automatic Elisa Microplate Reader