... as: powder, board, paper, paste, sheet, clay,etc.A & E Lab. Main Products: Atomic Absorption Spectrometer (AAS), Fluorescence Spectrophotometer, Bio-Spectrophotometer ... /10minRepeatability0.2Power Supply220V+/-10%OutputRS232 Interface--- --- ---Size & Weight405X325X330mm & 6.5kg Digital Whiteness Meter (0-100%,LED display, touch panel, test paper ...