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The Hanna Instruments HI96822 Digital Refractometer for Seawater Analysis is a device essential for those working with natural or artificial seawater. The instrument is designed to be robust, portable, and simple to operate, giving reliable and accurate results each time. The HI96822 is a digital refractometer that displays measurements in three popular units of measurement: Practical Salinity Units (PSU), salinity in parts per thousands (ppt) and specific gravity (S.G. (20/20)). A sample size as small as 2 metric drops (100 μl) is sufficient for measurement. The sealed stainless steel well with high-grade optical prism made of flint glass ensures a fast 1.5-second response time for temperature compensated readings.
This digital refractometer includes automatic temperature compensation to account for temperature variations, which ensures that results are accurate even when temperatures fluctuate. The device is also easy to clean; the sealed flint glass prism and stainless steel well can be wiped with a soft cloth in preparation for the next sample.
The HI96822 boasts impressive specifications, with a salinity range of 0 to 50 PSU; 0 to 150 ppt, a salinity resolution of 1 PSU; 1 ppt, and a salinity accuracy of ±2 PSU; ±2 ppt. The specific gravity range is 1.000 to 1.114, with a specific gravity resolution of 0.001 and a specific gravity accuracy of ±0.002. The temperature range is 0.0 to 80.0¬¨¬®‚Äö√†√ªC (32.0 to 176.0¬¨¬®‚Äö√†√ªF), and the temperature resolution and accuracy are 0.1¬¨¬®‚Äö√†√ªC (0.1¬¨¬®‚Äö√†√ªF) and ±0.3¬¨¬®‚Äö√†√ªC (±0.5¬¨¬®‚Äö√†√ªF), respectively. The device also features automatic shut-off after three minutes of non-use and is battery-powered for portability, with approximately 5000 readings per battery life.
The HI96822 has an enclosure rating of IP65 and dimensions of 192 x 102 x 67 mm (7.6 x 4.01 x 2.6”), weighing 420 g (14.8 oz.). The device's light source is a yellow LED, and it also has automatic temperature compensation between 10 and 40°C (50 to 104°F). The minimum sample volume required is 100 μL (to cover the prism entirely), and the sample cell is made of stainless steel ring and flint glass prism.
The HI96822 comes fully equipped with a battery and instruction manual and comes with a two-year warranty, providing peace of mind for the user. The Hanna Instruments HI96822 Digital Refractometer for Seawater Analysis is a must-have for anyone involved in seawater analysis, providing reliable and accurate measurements each time.
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