Big features and performance in a small package

Easy-to-read, easy-to-hold, and smooth-sampling refractometer. Atago™ MASTER-53M Refractometer is suitable for a wide range of solution sampling.

Offers an extended measuring range due to its special prism design for measurements in laboratory and production environments.

For measurements in laboratory and production environments.

Replacement lamp for Mark II/Mark II Plus refractometers

Manufactured to the highest specification using only the best materials and optical components. Bellingham + Stanley™ Eclipse Hand Held Refractometer is a low-cost, portable instrument used for on-the-spot determination of Refractive Index of liquids or the concentration of solutions.

Rugged portable refractometer for urine specific gravity and serum/plasma protein readings

Designed specifically for rugged factory and field use—fully IIP67 water rresistant, dustproof, and impact resistant

Easy-to-read, easy-to-hold, and smooth-sampling refractometer. Atago™ MASTER-20M Refractometer is a low-concentration model.

Check the accuracy of an instrument using calibration oils. Reichert™ NIST Certified Calibration Oil are formulated laser liquid calibration oils that are supplied with an NIST certification of traceability.

High-quality, extended shelf life standard for use as calibrant/analytical control material for refractive index determination.