Clinical Refractometer with ATC, Tri Scale Serum Protein/Urine Specific Gravity/Refractive Index health_UK_Nov2022 they are soft and stretch

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Clinical Refractometer with ATC, Tri Scale Serum Protein/Urine Specific Gravity/Refractive Index health_UK_Nov2022 they are soft and stretchClinical Refractometer with ATC, Tri Scale Serum Protein Urine Specific Gravity Refractive Index Product Features Human clinical refractometer 3 in 1 testing of Serum protein, Urine specific gravity, and Refractive index MEASURING RANGE: Serum protein: 0 ~ 12 g 100 ml ; Urine specific gravity: 1. 000 ~ 1. 050 ; Refractive index: 1. 333 ~1. 360 RI MEASUREMENT ACCURACY: Serum protein: 0. 2 g 100ml ; Urine specific gravity: 0. 005 ; Refractive index: 0.