Ideal for Seawater Analysis Hanna‘s HI96822 Digital Refractometer is a rugged, portable, water resistant device that utilizes the measurement of the refractive index to determine the salinity of natural and artificial seawater, ocean water or brackish intermediates. The HI96822 reflects Hanna‘s years of experience as a manufacturer of analytical instruments. This digital refractometer eliminates the uncertainty associated with mechanical refractometers and is durable and compact enough to be used at home, in the lab, or out in the field. The HI96822 is an optical device that is quick and easy to use. 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 three popular measurement units: Practical Salinity Units (PSU), 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. The Importance of Salinity Measurement Throughout a Variety of Applications Salinity is a critical measurement in many applications, such as aquaculture, environmental monitoring, aquariums, desalination plants, well water, and many more. Until now, the available technology to measure salinity has relied on mechanical instruments, such as hydrometers and mechanical refractometers, or on high-tech conductivity meters. While easy to use, getting a reading on a mechanical refractometer can be difficult since they are highly susceptible to changes in temperature. Hydrometers, though inexpensive, are typically made of glass and subject to breakage. The Hanna HI96822 is the solution to all these issues. It is lightweight, easy to use, costefficient, and extremely accurate. With the ability to read in three of the most widely used salinity units (PSU, ppt, and Specific Gravity), it is the ideal instrument for any application. HI96822 Digital Refractometer for Natural or Artificial Seawater Analysis • Designed for seawater salinity analysis • High accuracy measurements displayed as PSU, ppt and specific gravity • Dual-level LCD · The dual-level LCD displays measurement and temperature readings simultaneously • ATC · Automatic Temperature Compensation • Easy measurement · Place a few drops of the sample in the well and press the READ key • BEPS · Alerts the user of low battery power that could adversely affect readings • IP65 water protection · Built to perform under the harsh field conditions associated with environments containing seawater. • Quick, accurate results · Readings are displayed in approximately 1.5 seconds • Single-point calibration · Calibrate with distilled or deionized water • Small sample size · 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 13 Refractometers 13.12 | www.hannainst.com
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