Pocket Digital Refractometers Deliver Precise Digital Readouts
Read samples as small as 1mL. SPER SCIENTIFIC Pocket Digital Refractometers have automatic temperature compensation and one-button calibration. Auto shut-off conserves battery power. Sturdy, water-resistant, easy-to-clean case protects unit in wet environments. Refractometers have a large LCD that shows sample temperature initially, then measurement results. Units are 4-5/8"H x 2-3/8"W x 1-1/4"D and weigh just 4.6 oz. Units come with distilled water for calibration, a transfer pipet, AAA battery, instructions and carrying case. Five-year manufacturer warranty. Choose from Brix, Salinity and Automotive Scales.