Bellingham Stanley™ Refractometer Calibration Oils cover the range 1.47 -1.56 RI and are are ideal for calibrating refractometers that have temperature control in both food and industrial applications.
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.