Clinical Refractometer with ATC, Tri-Scale Serum Plasma Protein Test 2-14g/dl Urine Specific Gravity 1.000-1.060SG, for Veterinary Vet Cat Dog Pets Pet-Supplies Previous Next Get It On BestProducts Features: Animal clinical refractometer Tri Scale for Dog Cat Test of Serum protein and Urine specific gravity TRIPLE SCALE: Dog Scale Urine Specific Gravity is for Large Animal, Cat Scale Urine Specific Gravity is for Small Animal and Serum or Plasma Protein Scale ...