1. Features(MASTER-α)
2. Measuring Method
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 |
 |
| 1) Apply 2-3 drops onto the prism surface. |
2) Close the daylight plate. |
3) Look through the eyepiece. Read the boundary line where the blue and the white color meet. This is the Brix(%) |
3. Main specifications(MASTER-α)
| Scale range |
Brix 0.0 to 33.0% (Automatic Temperature Compensation) |
| Minimum Scale |
Brix 0.2% Resolustion is 0.1% |
| Measurement Accuracy |
Brix ±0.2%（10 to 30°C） |
| Sample Volume |
10μ1 or more
Optional :Daylight plate for small volume samplings (RE-2311-52M) |
| International Protection Class |
IP65 Dust-tight and Protected against water jets. (except eye piece) |
| Size & Weight |
3.3×3.3×20.4cm 160g |
4. List of Hand-Held Refractometers
• List of Brix Scales
| Model |
Brix Scale range |
Features |
| MASTER-α |
0.0 to 33.0% |
Automatic Temperature Compensation
Water Resistant IP65(except eye piece) |
| MASTER-2α |
28.0 to 62.0% |
Automatic Temperature Compensation
Water Resistant IP65(except eye piece) |
| MASTER-3α |
58.0 to 90.0% |
Automatic Temperature Compensation
Water Resistant IP65(except eye piece) |
| MASTER-4α |
45.0 to 82.0% |
Automatic Temperature Compensation
Water Resistant IP65(except eye piece) |
| MASTER-53α |
0.0 to 53.0% |
Automatic Temperature Compensation
Water Resistant IP65(except eye piece) |
| MASTER-10α |
0.0 to 10.0% |
Automatic Temperature Compensation
Water Resistant IP65(except eye piece) |
| MASTER-20α |
0.0 to 20.0% |
Automatic Temperature Compensation
Water Resistant IP65(except eye piece) |
| MASTER-T |
0.0 to 33.0% |
Automatic Temperature Compensation |
| MASTER-2T |
28.0 to 62.0% |
Automatic Temperature Compensation |
| MASTER-3T |
58.0 to 90.0% |
Automatic Temperature Compensation |
| MASTER-4T |
45.0 to 82.0% |
Automatic Temperature Compensation |
| MASTER-53T |
0.0 to 53.0% |
Automatic Temperature Compensation |
| MASTER-10T |
0.0 to 10.0% |
Automatic Temperature Compensation |
| MASTER-20T |
0.0 to 20.0% |
Automatic Temperature Compensation |
| MASTER-M |
0.0 to 33.0% |
|
| MASTER-2M |
28.0 to 62.0% |
|
| MASTER-3M |
58.0 to 90.0% |
|
| MASTER-4M |
45.0 to 82.0% |
|
| MASTER-53M |
0.0 to 53.0% |
|
| MASTER-10M |
0.0 to 10.0% |
|
| MASTER-20M |
0.0 to 20.0% |
|
| MASTER-50H |
0.0 to 50.0% |
Automatic Temperature Compensation
Water Resistant IP65(except eye piece)
Extreme heat and acid resistant models |
| MASTER-80H |
30.0 to 80.0% |
Automatic Temperature Compensation
Water Resistant IP65(except eye piece)
Extreme heat and acid resistant models |
| MASTER-93H |
45.0 to 93.0% |
Automatic Temperature Compensation
Water Resistant IP65(except eye piece)
Extreme heat and acid resistant models |
| MASTER-100H |
60.0 to 100.0% |
Automatic Temperature Compensation
Water Resistant IP65(except eye piece)
Extreme heat and acid resistant models |
| N-8α |
0.0 to 8.0% |
|
| N-10E |
0.0 to 10.0% |
|
*The Master-α, T, H series and ATC-20 are equipped with Automatic Temperature Compensation (ATC), which ensures accurate measurements despite differences in the ambient or sample's temperature.
*The MASTER-50H, MASTER-80H, MASTER-93H, MASTER-100H are suitable for samples that are at a high-temperature or samples that contain acidic or corrosive ingredients.
• List of Special Scales
| Model |
Scales Available |
Scale range |
| HHR-2N |
Honey moisture |
12.0 to 30.0% |
| MJ-1E |
Noodle • Fish bouillon
Sodium chloride |
0.0 to 56.0%
0.0 to 28.0% |
| RS-32 |
Ramen Soup
Baume(kasui) |
0.0 to 32.0%
0.0 to 10.0° |
5. Maintenance
• After measuring, use a lint-free tissue to wipe the sample off of the prism surface. If the sample contains oils or fat, use isopropyl alcohol and water to clean the prism surface.
• When not in use, keep the refractometer in the storage case at room temperature (20°C). Avoid storing the unit in direct sunlight or in a moist environment and do not subject the unit to strong shocks or vibrations. The ambient temperature at which you can safely store the units is between 0 and 40°C.
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