$139.99 LIGHTED ATC Clinical HYDRATION Refractometer for Veterinarians LED

Item Description:  Portable Lighted Clinical Refractometer Scales:Urine Specific Gravity: * Range 1.00-1.050 SG* Minimum Division: 0.005 SG* Accuracy: +/1 0.005 SG Serum Protein:* Range: 0-12 g/dl* Minimum Division: 0.20 g/dl* Accuracy: +/1 0.20 g/dl Refractive Index:* Range: 1.330-1.360 RI* Minimum Division: 0.0005 RI* Accuracy: 0.0005 RI     This is the PREMIER Clinical Refractometer! There's nothing like this available anywhere!   This is THE unit to test athletic HYDRATION! This is THE unit for Veterinarians! One NEW tri-scale portable Clinical Refractometer in a foam-lined hard case. This series of portable refractometers is designed to measure Urine Specific Gravity, Blood Plasma Serum Protein and Refractive Index, but includes the benefit of an internal light. The extra light can be turned on when the ambient light is so-so, and when light is good, you can turn off the light and use the unit! You can use the unit without batteries (3, 1.5 volt button batteries) to conserve po