Pet Klinisches Refraktometer Urin Serum Protein Hunde Katzen Refraktometer

It provides triple scale which can read Specific Gravity (S.G.) of Dog Urine, Specific Gravity (S.G.) of Cat Urine,and Serum or Plasma Protein (SP). --Serum or Plasma Protein:2~14 g/100ml. --Serum or Plasma Protein:0.1 g/100ml.

eBay