Azzota® Clinical Protein Refractometer, Serum Protein & Specific Gravity

Heavy-Duty Portable Refractometer Sturdy design, made of Aluminum Packing List Hand held refractometer x 1 Cleaning cloth x 1 Suction tube for dropping test fluids on the prism x 1 Mini screwdriver for scale calibration x 1 Carrying case with belt loop x 1 Distilled water for calibration User Manual x 1 Specification   Model Range Min.Div. Accuracy Remark RHC-DL Serum Protein: 0-12g/dlSpecific Gravity: 1.000-1.050sgnD: 1.3330RI-1.3600RI Serum Protein: 0.2g/dlSpecific Gravity: 0.002sgnD: 0.0005nD Serum Protein: +/-0.2g/dlSpecific Gravity: +/-0.002sgnD: +/-0.0005nD ATC RHC-ML Serum Protein: 0-12g/dl Specific Gravity: 1.000-1.050sg Serum Protein: 0.2g/dlSpecific Gravity: 0.002sg Serum Protein: +/-0.2g/dlSpecific Gravity: +/-0.002sg ATC