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Seawater Refractometer

Seawater Refractometer

Woonsocket, RI (January 6, 2010) Hanna Instruments Inc, is pleased to introduce the new HI 96822 Digital Refractometer. The HI 96822 is a water resistant, lightweight, easy to use, cost-efficient device that is extremely precise and accurate. It utilizes the measurement of the refractive index to determine the salinity of natural and artificial seawater, ocean water or brackish intermediates.

This digital refractometer eliminates the uncertainty associated with mechanical refractometers and is rugged and portable enough to be used at home, in the lab and out in the field. After a simple user calibration with distilled or deionized water, a seawater sample can be introduced into the sample well. Within seconds, the refractive index and temperature are measured and converted into one of 3 popular measurement units: Practical Salinity Units (PSU), Salinity in parts per thousand (ppt), or Specific Gravity (S.G. (20/20)). All conversion algorithms are based upon respected scientific publications using the physical properties of seawater (not sodium chloride). With the ability to read in all the three of the most widely salinity units it is the ideal instrument for any application.

For more information on the HI 96822 Seawater Refractometer, call 1-800-426-6287 or email

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