Hanna Instruments HI 96821 digital sodium chloride refractometer

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Hanna Instruments has designed the HI 96821 digital sodium chloride refractometer to meet the requirements of the food industry. This optical instrument employs the measurement of the refractive index to determine sodium chloride concentration in aqueous solutions used in food preparation, particularly brine.

The measurement of refractive index is simple and quick and provides the user an accepted method for NaCl analysis. Samples are measured after a simple user calibration with deionised or distilled water. Within seconds the instrument measures the refractive index of the sample.

The meter uses automatic temperature compensation for accurate measurements and the dual-level LCD displays measurement and temperature readings simultaneously.

The digital refractometer may eliminate the uncertainty associated with mechanical refractometers and is portable.

The instrument uses internationally recognised references for unit conversion and temperature compensation. It can display the measurement of NaCl concentration 4 different ways: g/100 g, g/100 mL, specific gravity and °Baumé.

Temperature (in °C or °F) is displayed simultaneously with the measurement (on three of the ranges) on the large dual-level display along with icons for low power and other helpful message codes.