... COV, Qualitative, and the Original Absorbance ValueVarious Measurement Methods Automatic Choice of Single, Dual Wavelength and Multi-FilterSimple and ... , Adjustable IntensityAfter Vibration Measurement, More Accurate StructureStandard Interface RS232CMicroplate Reader Working Station of Analysis System ( Option ) Main Inspect ... Growth Hormone and Digoxin, etc BJHRD ZS-2 medical ELISA Microplate Reader