From Classroom to Laboratory Applications.
Discover our selected refractometers for Brix, salinity, alcohol, and coolant testing in education and research.
Laboratory & Educational Use Cases
Refractometers are widely used in laboratories, schools, and research environments to demonstrate and measure the relationship between concentration and refractive index across different solutions.
Food Science & Chemistry Education (Brix)
Brix Refractometers can be used to measure sugar concentration in solutions such as fruit juice, honey, and sugar water. Ideal for teaching concepts of concentration, dilution, and solution properties in chemistry and food science classes.
Environmental & Marine Science (Salinity)
Salinity Refractometers are applied in water quality testing and marine studies to measure salinity in seawater, brackish water, and simulated environmental samples. Helps students understand ocean science, osmosis, and ecosystem conditions.
Fermentation & Biology Experiments (Alcohol)
Our alcohol refractometers are used to monitor fermentation processes in beer, wine, and other biological reactions. Supports studies on sugar conversion, microbial activity, and biochemical changes during fermentation.
Engineering & Physics Education (Coolant)
Coolant and antifreeze refractometers are used in technical and engineering labs to measure coolant and antifreeze concentration. Demonstrates how fluid composition affects freezing point, heat transfer, and thermal system performance.
Product Selection Guide
We have selected the most commonly used refractometer models for laboratory, educational, and research applications across Brix, salinity, alcohol, and coolant testing.
If you cannot find a suitable model, please contact us for assistance.
Brix Refractometers
| Suitable Samples | Measurement Range | Models |
|
Diluted Solutions Light Fruit Juice |
Brix 0-20% | RHB-20A |
|
Sugar Water Solution Fruit Juice Soft Drinks |
Brix 0-32% | RHB-32A |
|
High-Concentration Sugat Solution Sytups Jam Molasses |
Brix 0-55% | RHB-55A |
Salinity Refractometers
| Suitable Samples | Meaasurement Range | Models |
|
Low-Salinity Solution Diluted Seawater Solutions |
salinity 0-100‰ salt density 1.000-1.070 g/mL |
RHS-10A |
|
Seawater Sample Costal Pond Water Salt Concentration Gradient Solutions Marine Biology Research Samples
|
salinity 0-28% | RHS-28A |
|
Brix 0-32%
salinity 0-28%
|
RHBS-28A |
Alcohol Refractometers
| Suitable Samples | Measurement Range | Models |
|
Beer Wine Cider Grape Must Fruit Wine Fermentation Brewing Wort and Mash |
alcohol 0-25%
baume 0-20
|
RHW-25aA |
|
alcohol 0-25%
Brix 0-40%
|
RHW-25bA | |
|
Distilled Spirits Ethanol-Water Solutions Industrial Alcohol Solutions |
Brix 0-20%
alcohol 0-80%
|
RHW-80aA |
Coolant Refractometers
| Functions | Temperature Unit | Models | Measurement Range |
|
Ultimate 5 in 1 Ethylene Glyco Propylene Glycol Battery Fluid DEF (Adblue) Windshield Cleaner Fluid |
Celcius ℃ | RHAN-605 |
Ethylene -50℃ to -25℃ Propylene -50℃ to -25℃ Battery Fluid 1.100-1.300sg DEF 30-35% Cleaner -40℃ to -10℃ |
| RHAN-504 |
Ethylene -50℃ to 0℃ Propylene -50℃ to 0℃ Battery Fluid 1.100-1.400sg DEF 0-40% Cleaner -40℃ to 0℃ |
||
|
4 in 1 Ethylene Glyco Propylene Glycol Battery Fluid DEF (Adblue) |
Celcius ℃ | RHAN-737 |
Ethylene -50℃ to 0℃ Propylene -50℃ to 0℃ Battery Fluid1.100-1.300sg DEF 0-35% |
| RHAN-747 |
Ethylene -50℃ to -10℃ Propylene -50℃ to -10℃ Battery Fluid 1.200-1.300sg DEF 20-40% |
||
| Fahrenheit (°F) | RHAN-757 |
Ethylene -60℉ to 32℉ Propylene -60℉ to 32℉ Battery Fluid 1.100-1.300sg DEF 0-40% |
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