10 Best Refractometers


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If you want to measure the index of refraction of liquid samples or read the fluid concentrations such as blood protein concentration, sugar content and salinity, you’d need a refractometer. It also assesses the purity of a liquid by comparing the refractive index of the sample to the refractive index of the pure substance. A refractometer is a very useful equipment for medical research, farming, aquarium upkeep, gemology, drug diagnosis etc.

Given below are the 10 best refractometers you can find in the market,

10. Anpro Brix Refractometer ($21.49)

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This hand-held refractometer comes with an Automatic Temperature Compensation of 50°F-86°F. It also has a portable sugar content tester. This 0-32% refractometer is an ideal choice for sugar measurement. It is a compact device with a sturdy design. It is lightweight for convenient portability.

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9. iTavah Brix Refractometer ($22.99)

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This refractometer has a dual scale which rapidly and precisely displays the brix and specific gravity at once. There’s no need of switching between units every time you want to take a reading. Its Automatic Temperature Compensation (ATC) accounts for changes in temperature of the surroundings and compensates them automatically. To use this refractometer, take a drop or two of the brew in the prism and see through the eyepiece in the light. This device is made from a non-staining, non-corrosive and non-reactive aluminium material which light-weight and portable.

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8. Ade Advanced Optics Brix Refractometer ($23.99)

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This refractometer has an all metal construction with a high-quality optical lens. It has an easy to read scale which offers you accurate and repeatable measurements. It just takes two or three drops of the solution on the prism and a simple focus adjustment. The pack contains a calibration screwdriver and a plastic pipette.

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7. Ade Advanced Optics Brix Refractometer ($22.99)

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This device is an accurate refractometer which has an automatic temperature compensation from 10 to 30°c. It’s equipped with an easy to read scale which provides precise measurements. All you have to do is to take a drop or two of the solution you want to measure and focus the lens and prism to get the right reading.

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6. Aqueous Lab Antifreeze Refractometer ($21.99)

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This refractometer can measure the freezing point of automobile antifreeze based on ethylene glycol or propylene glycol. It can also measure the specific gravity of battery acid and provide a quick reference to battery charge condition. Not only this, but it is also capable of measuring windshield washer fluid based on ethanol or isopropyl alcohol. It comes with an automatic temperature compensation which compensates the changes in the ambient temperature.

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5. Ade Advanced Optics Refractometer ($27.99)

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This is a dual range refractometer which measures the brix and specific gravity of your wort or wine. It is equipped with an ATC (Automatic Temperature Compensation) system which ensures accurate readings even if the temperature of the surroundings changes. It is easier and more accurate than a hydrometer for measuring sugars. The manufacturer offers you a two years warranty on this product.

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4. Aqueous Lab Alcohol Refractometer ($20.99)

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This refractometer is designed for testing spirit alcohol volume percent. It is the perfect equipment for testing brandy, whisky, vodka etc. Don’t use it for wine or other liquids that contain more sugar content and other ingredients. This is a portable device which is perfect for you if you are a bartender, an alcohol retailer or a food producer etc. The scale range is 0 – 80 %V/V. The automatic temperature compensation feature gives precise results even if the temperature fluctuates.

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3. AquaticHI Aquarium Refractometer ($27.99)

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This unit has a dual scale which measures the salinity from zero to 100 ppt and the specific gravity from 1.000 to 1.070. It is ideal for use in aquariums, marine monitoring, agricultural, gardening and other educational purposes. It gives you accurate readings even with temperature fluctuations with its ATC function. It is made of high-quality material which meets all testing equipment standards. This pack comes with one refractometer with LED, one spare plate prism (without LED), one hard carrying case, one calibrating screwdriver, three pipettes, one cleaning cloth and one instruction manual.

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2. Hompie ATC Brix Refractometer ($23.98)

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This device is constructed with anti-rust, stain-free and chemically inert aluminum material which is not only hygienic but also effortless and comfortable to handle. Its automatic temperature compensation (ATC) gives you precise and accurate measurements. You can measure the brix of the beer or wine and also test the sugar content of fruit juices, beverages and other liquids. To calibrate the device, place pure water on the main prism and cover it. Then adjust the screw slowly. Take a look at the scale till the blue line rises to the ‘0’ position.

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1. GoerTek Professional Refractometer ($21.69)

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This refractometer measures the density of sugars in a solution. It is best for use at home, in agriculture, gardening and educational purpose. It has a 0-32% brix scale. It gives you more precise and accurate readings as compared to hydrometers. It comes with an advanced Automatic Temperature Compensation technology which compensates the ups and downs in temperature. It is durable and easy to carry around.

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