Refractometers (42 Products)

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  1. TestSafe TS-RF-WINE03 Portable Wine Refractometer - In case All Test Safe Products
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    TestSafe TS-RF-WINE03 Portable Wine Refractometer
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    • Ideal for monitoring alcohol production during winemaking processes
    • Automatic temperature compensation function
    • Two alcohol ranges: 0-60% (1% V/V) and 60-80% (2.5% V/V)
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    SKU: TS-RF-WINE03
  2. TestSafe TS-RF-WINE02 Portable Wine Refractometer - In case All Test Safe Products
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    TestSafe TS-RF-WINE02 Portable Wine Refractometer
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    • Brix scale: 0-40%
    • Potential alcohol: 0-20%
    • Easy-to-use
    58 Reward Points
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    SKU: TS-RF-WINE02
  3. TestSafe TS-RF-WINE01 Portable Wine Refractometer - In case All Test Safe Products
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    TestSafe TS-RF-WINE01 Portable Wine Refractometer
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    • Improve the efficiency and accuracy of wine production
    • Features Brix, Oeschle and Babo scales
    • Automatic temperature compensation
    58 Reward Points
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    SKU: TS-RF-WINE01
  4. TestSafe TS-RF-SAL03 Portable Salinity Refractometer - In case All Test Safe Products
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    TestSafe TS-RF-SAL03 Portable Salinity Refractometer
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    • Measures salinity between 0 and 100%
    • Brix range: 0-10%
    • Measures specific gravity from 1.0 to 1.070sg
    58 Reward Points
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    SKU: TS-RF-SAL03
  5. TestSafe TS-RF-SAL02 Portable Salinity Refractometer - In case All Test Safe Products
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    TestSafe TS-RF-SAL02 Portable Salinity Refractometer
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    • Measure salinity between 0 and 10%
    • Automatic temperature compensation
    • Ideal for measuring the amount of salt dissolved in marine aquarium/ fish tank water
    58 Reward Points
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    SKU: TS-RF-SAL02
  6. TestSafe TS-RF-SAL01 Portable Salinity Refractometer - In case All Test Safe Products
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    TestSafe TS-RF-SAL01 Portable Salinity Refractometer
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    • Measure salinity between 0 and 100%
    • Measure specific gravity between 1.0 and 1.070sg
    • Ideal for marine aquarium applications
    58 Reward Points
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    SKU: TS-RF-SAL01
  7. TestSafe TS-RF-PROT02 Portable Protein Refractometer - In case All Test Safe Products
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    TestSafe TS-RF-PROT02 Portable Protein Refractometer
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    • Measure serum protein between 2 and 14g/dl
    • Refractive index range: 1.0-1.060RI
    • Ideal for veterinary applications 
    58 Reward Points
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    SKU: TS-RF-PROT02
  8. TestSafe TS-RF-PROT01 Portable Protein Refractometer - In case All Test Safe Products
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    TestSafe TS-RF-PROT01 Portable Protein Refractometer
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    • Measure the serum protein of blood plasma between 0 and 12g/dl
    • Measure specific gravity of urine and blood between 1.0 and 1.050sg
    • Ideal for veterinary applications 
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    SKU: TS-RF-PROT01
  9. TestSafe TS-RF-COOL03 Portable Coolant Refractometer - In case All Test Safe Products
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    TestSafe TS-RF-COOL03 Portable Coolant Refractometer
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    • Measure the specific gravity and freezing point of coolants
    • Ergonomic design with an integrated eyepiece
    • Ideal for automotive applications
    58 Reward Points
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    SKU: TS-RF-COOL03
  10. TestSafe TS-RF-COOL02 Portable Coolant Refractometer - In case All Test Safe Products
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    TestSafe TS-RF-COOL02 Portable Coolant Refractometer
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    • Measure the specific gravity of coolant oils
    • Determine the freezing point of coolant fluids
    • Ergonomic, rugged design with an integrated eyepiece
    58 Reward Points
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    SKU: TS-RF-COOL02
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About Refractometers

As light bends through a substance, it can be then analysed using a refractometer to determine the exact properties, form and concentration of that specific substance.

Refractometers are generally used in different forms of research such as gemmology, where measuring the way light bends through a particular gemstone allows the user to identify both the type of gem and the overall purity of the stone.  They’re also used quite commonly in the marine industry where identifying the way the light moves throughout the water in an aquarium allows testers to identify the salinity and specific gravity of the water, creating the perfect environment for marine life to live comfortably.

Most refractometers also include a thermometer as standard. This is because the refractive index (essentially the way the light is bending through a substance) can be affected by changes in temperature. Thanks to built-in thermometers – often with automatic temperature compensation – it is easy to maintain completely accurate testing.

The devices come in many different forms. While we stock mainly handheld and digital handheld products, there are also laboratory (Abbe) refractometers and inline process refractometers available on the market too.

The Abbe model is bench-mountable and used primarily in the laboratory for incredibly high-precision refraction testing.  Inline process models are generally used inside fluid storage containers such as pipes/tanks to constantly monitor the refractive index of liquids passing through that particular area. This is extremely important in the processing industry as it depends entirely on substances being of the right consistency/type to produce multiple things such as paper, food, sugar and medicines.

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