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Clinical Refractometer with ATC, Tri Scale Serum Protein/Urine Specific Gravity/Refractive IndexAmazon$119.78
Electronic Digital Urine Refractometer Urine Specific Gravity Meter Serum Protein Detector Tester Urinometer Urine HydrometerAmazon$14.95
DIAGNOX Hydration Urine Test Strips - Urine Specific Gravity Test Strips for Accurate Hydration Monitoring - Individually Packaged and Clinical Grade [30 Tests]Amazon$595.22
Atago 3741 Pen-Urine Specific Gravity Digital Hand-Held Urine Specific Gravity Pen RefractometerAmazon$379.99
Atago 4410 PAL-10S Digital Hand-Held Pocket Urine Specific Gravity RefractometerAmazon$608.22
Atago 3749 Pen-Wrestling Digital Hand-Held Urine Specific Gravity Pen RefractometerAmazon$15.84
Gravity Refractometer,RZ126 Handheld Pet Cat Dog Urine Specific Gravity Refractometer Pet Medical ToolAmazon$19.99
Portable Clinical Refractometer with ATC for Urine Specific Gravity RI Measurement of Pet Dog Cat 1.000-1.060RI and Blood Serum Protein 2-14g/dl, Free PipettesAmazon$17.99
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 PetsAmazon$14.00
Ade Advanced Optics RHC-300ATC 3-in-1 Clinical Refractometer for Veterinary Dog, Cat and Human, Specifies Urine Specific Gravity, Total Serum Protein and Refractive IndexAmazon$15.99
V·RESOURCING Pet Dog & Cat Refractometer,V-Resourcing Pet Urine Specific Gravity (1.000~1.060) Clinical Refractometer with Serum or Plasma Protein Test (2~14 g/100ml) for Veterinary Cat,Dog, PetsAmazon$17.99
3 in 1 Scale Clinical Refractometer with 10~30°C ATC, Serum Protein 0~12g/dl, Urine Specific Gravity 1.000~1.050, Refractive Index 1.333~1.360 RI for Human Use.Amazon