Digital Refractometer for Measuring Sodium in Food

The sodium chloride refractometer meets 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. It is not intended for seawater salinity measurements.


  • High accuracy measurements in g/100 g, g/100mL, specific gravity and °Baume
  • Dual-level LCD displays measurement and temperature readings simultaneously
  • Automatic temperature compensation
  • Easy Measurement: place a few drops of the sample in the well and press the READ key
  • Alerts the user of low battery power that could adversley affect readings
  • IP65 Water Protection: built to perform under harsh laboratory and field conditions
  • Readings are displayed in approximately 1.5 seconds
  • Calibrate with distilled or deionized water
  • Sample size can be as small as 2 metric drops
  • Automatic shut-off after three minutes of non-use
  • Stainless steel sample well: easy to clean and corrosion resistant
  • ABS thermoplastic casing


  • Temperature Compensation: automatic between 10 and 40°C (50 to 104°F)
  • Measurement Time: approximately 1.5 seconds
  • Minimum Sample Volume: 100 µL (to cover prism totally)
  • Light Source: yellow LED
  • Sample Cell: stainless steel ring and flint glass prism
  • Auto-off: after three minutes of non-use
  • Enclosure Rating: IP65
  • Battery Type/ Battery Life: 9V/ approximately 5000 readings
  • Dimensions/Weight: 192 x 102 x 67 mm (7.6 x 4.01 x 2.6")/ 420 g (14.8 oz)

Manufacturer : Hanna Instruments

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Sodium Chloride Refractometer
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Cat.#g/100 g Rangeg/100 g Resolutiong/100 g Accuracyg/100 mL Rangeg/100 mL Resolutiong/100 mL AccuracySpecific Gravity RangeSpecific Gravity ResolutionSpecific Gravity Accuracy°Baumé Range°Baumé Resolution°Baumé AccuracyTemperature RangeTemperature ResolutionTemperature AccuracyDescriptionMfg.#PriceQuantityEstimated Availability
746-150-500 to 280.1±0.20 to 340.1±0.21.000 to 1.2160.001±0.0020 to 260.1±0.20 to 80°C (32 to 176°F)0.1°C (0.1°F)±0.3°C (±0.5°F)Digital Refractometer for Measuring Sodium Chloride in FoodHI 96821$246.75 EA  
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