This Refractometer is Accurate to +/-0.0005 Urine Specific Gravity! Ideal for Professionals who need highly accurate readings in seconds! Popular with athletic programs, health care professionals, and law enforcement officials for quick and accurate urine checks. This refractometer is widely used for testing student athletes for proper hydration levels. This Urine Specific Gravity meter is the ideal tool to help athletic program directors and coaches to meet Hydration requirements! In medical facilities, health workers can easily and safely check patients health via a simple urine test. Just a few drops of urine can reveal many health problems. Veterinary clinics and hospitals use this unit for rapid testing of animal urine. Helpful in the overall diagnosis! Probation officers also find this unit easy to use in the field. They can perform a quick test when checking someone for illegal drug use. The digital display enables the officer to take a reading without holding the meter up to the face, keeping potentially contaminated urine at a safe distance. Because it is waterproof, cleanup is as simple as rinsing the meter under running water. Uses (2) AAA batteries. Brand New! Ships from USA ASAP! THE MOST ACCURATE URINE SPECIFIC GRAVITY REFRACTOMETER AROUND! Measurement Range: 1.0000 to 1.0450 Urine Specific Gravity (D20/20) Urine Total Solids (g/L) 0.0 to 11.5 Accuracy: Urine Specific Gravity (D20/20) +/-0.0005 Urine Total Solids (g/L) +/- 0.1 - THE MOST ACCURATE DIGITAL URINE REFRACTOMETER UNDER $500! Resolution: Urine Specific Gravity (D20/20) +/-0.0001 Urine Total Solids (g/L) 0.1 Automatic Temperature Compensation Range: 0 to 50 C (32 to 122 F) Additional Details ------------------------------ Number of items: 1