Ideal for Seawater Analysis Salinity is a critical measurement in many applications, such as aquaculture, aquariums, environmental monitoring, desalination plants, well water, and many more. Hanna’s HI96822 Digital Seawater Refractometer is lightweight, easy to use, cost-e·cient, and extremely accurate. With the ability to read in three of the most widely used salinity units (PSU, ppt, and Specic Gravity), it is the ideal instrument for any application. HI96822 utilizes the measurement of the refractive index to determine the salinity of natural and articial seawater, ocean water or brackish intermediates. 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 specic gravity (S.G. (20/20)). All conversion algorithms are based upon respected scientic 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 di·cult 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, coste·cient, and extremely accurate. With the ability to read in three of the most widely used salinity units (PSU, ppt, and Specic Gravity), it is the ideal instrument for any application. HI96822 Digital Refractometer for Natural or Articial Seawater Analysis • Ideal for the seawater salinity analysis of: · Aquaculture, aquariums, environmental monitoring, desalination plants, well water, and many more. • High accuracy measurements displayed as PSU, ppt and specific gravity • Easy measurement · Place a few drops of the sample in the well and press the READ key • Quick, accurate results · Readings are displayed in approximately 1.5 seconds • Rubberized keypad • IP65 water protection · Built to perform under harsh laboratory and field conditions • Small sample size · Sample size can be as small as 2 metric drops • Dual-level LCD · The dual-level LCD displays measurement and temperature readings simultaneously • ABS thermoplastic casing • Stainless steel sample well · Easy to clean and corrosion-resistant • Startup · When powered on, the meter displays battery life and the set measurement units • Unit selection · Pressing the RANGE key quickly cycles through the units of measurement (if applicable) • Automatic Temperature Compensation · For exceptionally accurate measurements • Single-point calibration · Calibrate with distilled or deionized water • BEPS (Battery Error Prevention System) · Alerts the user in the event that low battery power could adversely affect readings • Automatic shut-off after three minutes of non-use 13 Refractometers 13.12 | www.hannainst.com
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