The Brix Handheld Refractometers are exceptionally simple to operate and provide quick, accurate measurements for the concentration of nearly any aqueous solution in a wide range of applications. Made durable with industrial-grade design features to provide years of reliable use even in the field. Rugged metal housing construction with slip-resistant rubber grip and a non-roll stand to protect from rolling off surfaces * Protective Grip: The rubber grip reduces hand slipping and guards against user’s hand heat to maintain accuracy * Tool-Free Calibration: Tools not required with our patented "Zero-Ring" calibration (non ATC units only) * Accurate and Sharp Readings: Large scale is best in class delivering clear, sharp figures, screen shading and incredible contrast for overall accuracy * Quick Results: High quality optical glass prism and all-metal housing design allows the sample and prism to reach temperature equilibrium quickly * Maximum Sample Temperature: 90°C (194°F) * Calibration: Calibration: 20°C (68°F) using distilled water in equilibrium SPECIFICATIONS: * Accuracy: ±0.5% Brix, ±1% Water, ±0.5° Baume * ATC: Yes * Baume Range: 38 to 43° * Brix Range: 58 to 92% * Color: Silver * Color: Orange * Includes: Carrying Case, Plastic Transfer Pipet, Instruction Manual. *ATC models include calibration screwdriver. * Length: 5.8 in (14.8 cm) * Measuring Type(s): Brix 58.0-92.0%, Water 13-27%, Baume 38-43° * Quantity: 1 Each * Resolution: 0.5% Brix, 1% Water, 0.5° Baume * Style: Handheld * Type: Honey * Warranty: 5 Years