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Hanna Instruments HI 96821 Brix Refractometer for Measuring Sodium Chloride in Food

1 customer review

List Price: $197.20
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Specifications for this item
Brand Name Hanna Instruments
Part Number HI 96821
Number of Items 1
Inside Depth 19.2  inches
Item Weight 14.88 ounces
Measurement Type Salinity , Temperature
UNSPSC Code 41115312

The Hanna Instruments HI 96821 brix refractometer is a portable meter for measuring salinity ... Read full product description

Product Features

  • Four ranges to choose from, depending on preferred units for measuring salinity
  • Large LCD screen, for readability
  • Waterproof, for both indoor and outdoor use
  • Automatic temperature compensation (ATC), to eliminate need for extra calculations
  • Auto-off, to prolong battery life

Product Details

User Manual [345kb PDF]
  • Product Dimensions: 50 x 50 x 50 inches ; 14.9 ounces
  • Shipping Weight: 1.2 pounds (View shipping rates and policies)
  • Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B002NX0WIC
  • Item model number: HI96821
  • Average Customer Review: 4.0 out of 5 stars  See all reviews (1 customer review)
  • Amazon Best Sellers Rank: #131,627 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Frequently Bought Together

  • Hanna Instruments HI 96821 Brix Refractometer for Measuring Sodium Chloride in Food
  • +
  • Hanna Instruments HI 96801 Digital Refractometer, 0-85% Brix Range, For Sugar Analysis
Total price: $328.83
Buy the selected items together

Product Description

The Hanna Instruments HI 96821 brix refractometer is a portable meter for measuring salinity levels in food preparations.

The HI 96821 measures salt content in aqueous food solutions, with results available within seconds. To take a reading, the sample well must be calibrated with distilled or deionized water, followed by a few drops of the sample liquid. A dual-level LCD screen displays the measurement and temperature within several seconds. The HI 96821 converts the refractive index of the sample to one of four popular units for measuring salinity: g/100 g, g/100 mL, Specific Gravity, and degrees Baumé.

The 9V battery operated device utilizes a yellow LED as a light source, and automatically powers off after three minutes of non-use. The HI 96821 has a range of 0 to 28 g/100 mL, 0 to 34 g/100 mL, 1.000 to 1.216 specific gravity, or 0 to 26 degrees Baumé. Temperature compensation is automatic between 10 and 40 degrees C (50 to 104 degrees F).

Refractometers measure refractive index, which is the optical characteristic of a substance and the number of dissolved particles in it. Refractive index is the ratio of the speed of light in empty space to the speed of light in the substance. Refractometers can be used to ensure proper salinity levels in aqueous solutions.

Hanna Instruments manufactures a wide variety of analytical instrumentation, including pH meters, multi-parameter meters, electrodes, chemical reagents, and buffer solutions. Founded in 1978, Hanna is headquartered in Woonsocket, RI, with subsidiaries in 32 countries. Hanna Instruments holds many firsts in the field of analytical instrumentation, including a pH electrode with a built-in temperature sensor, an electronic pocket-sized pH tester, and a replaceable electrode pH pocket tester. To assure the quality of its products, Hanna is a vertically integrated manufacturer and does not subcontract any part of its manufacturing.

What’s in the Box?

  • One 9V battery
  • Instructions

Customer Questions & Answers

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Most Helpful Customer Reviews

2 of 2 people found the following review helpful By D.C. on May 28, 2011
Verified Purchase
I decided to take a slightly expensive gamble and pick up this product to see if I could test for salt content in food, similar to those nutrition listings on packages. I wanted to see what kind of variation there is (since the FDA does allow some small margins), and also to test prepared foods in home cooking and restaurant items. It was about $175 here.

After doing some tests with it, I have mixed feelings about it. That is not to say it's not a good item, but it's not entirely clear what it can be used for accurately. I've tried to do a lot of research on it online first, but the results have been inconclusive... many sites and a few postings asking the same question I do, but no definite answers.

I am going to suggest an answer here, based on those results I am getting from the testing apparatus. It makes me wonder if it can only be used on clear liquids, and, even more unsure whether they have to be colorless liquids or not. (Edit: after another few tests the colors do seem to be less of a problem than the obscurity of the liquid).

The benchmark test was EXACT... the unit performed perfectly upon reading 10g salt per 100g of water when I mixed it up myself (as the instruction book suggested). This makes me think the unit works perfectly... for its design, but possibly only for a narrow set of applications?

I am puzzled because I get crazy crazy results for cloudy and possibly for colored liquids. Milk consistently reads 11.5 and natural (clouded) cranberry juice... 35 ! The juice is supposed to be 1/4 the salt content of the milk... and even the milk reading is too high.

All this leads me to believe this unit may have quite limited usefulness for me.
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