Clinical Refractometer with ATCThis Clinical Refractometer is designed for clinical usage and for both Veterinary and Human diagnostics, providing a quick and accurate indication of vital fluid levels. Its triple scale reads Urine Specific Gravity, Total Serum Protein and Refractive Index. The refractometer also features Automatic Temperature Compensation (ATC). This is a quality optical instrument that includes a soft carrying case, bulb filler, screwdriver and instructions. Soft