Hand held refractometer with automatic temperature compensation.
Very simple to use: simply place one drop of your sample on the prism and read the result on the scale immediately. The refractometer is calibrated to measure at 20°C (68°F), have the adjustable focus, a clear reading of the scale, and can be calibrated by screw. Suitable for applications where the temperature of the samples vary greatly. The refractometers are provided in a box, with cloth, screwdriver, pipette, pocket case and instructions for use .