... as: powder, board, paper, paste, sheet, clay,etc.A & E Lab. Main Products: Atomic Absorption Spectrometer (AAS ... Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, Automatic Refractometer, Abbe Refractometer, PH/ ... ), etc.Technical Specifications: ModelSBDY-1PSBDY-1Measurement Range0~100.0%Measurement SystemR457 Blue Light WhitenessAccuracy0.1Zero Draft0.1 ...