Description
Milwaukee MA885 digital refractometer for beer and wine
The Milwaukee MA885 is a digital refractometer that measures the sugar content of wort, must and grape juice. It measures the refractive index of a sample and displays the result in %Brix, °Oechsle (SG 1.000–1.230) and °KMW in about 1.5 seconds. Automatic temperature compensation (ATC) between 10 and 40 °C means you can measure without fully cooling the sample.
The refractometer is easily calibrated with deionised or distilled water, and only a few drops of sample are needed. That makes the MA885 handy for tracking gravity on brew day, for example when measuring pre-boil gravity.
Features
- Measures %Brix, °Oechsle and °KMW, as well as temperature
- Automatic temperature compensation between 10 and 40 °C
- Measurement time approx. 1.5 seconds
- Minimum sample volume 100 µL, enough to cover the prism
- Sample well with stainless steel ring and flint glass prism
- Automatic shut-off after 3 minutes of non-use
Technical data
| Range |
0 to 50% Brix |
| Resolution |
0.1% Brix |
| Accuracy | ±0.2% Brix ±1°Oechsle ±0.2 °KMW ±0.3°C / ±0.5°F |
| Light Source | Yellow LED |
| Measurements Time | Approximately 1.5 seconds |
| Minimum Sample Volume | 100 µL (cover prism totally) |
| Sample Cell | SS ring and flint glass prism |
| Temperature Compensation | Automatic between 10 and 40°C / 50 to 104°F |
| Case Material | ABS |
| Battery Type | 1 x 9V AA (included) |
| Battery Life | 5000 readings |
| Auto-shut off | after 3 minutes of non-use |
| Dimensions | 192 x 102 x 67 mm |
| Weight | 420 g |
Frequently asked questions about the Milwaukee MA885
What does the MA885 measure?
The MA885 measures the sugar content of a liquid and displays it in %Brix (0–50%), °Oechsle (0–230, equivalent to SG 1.000–1.230) and °KMW (0–42).
Can I use the refractometer to measure FG?
Not directly. Alcohol refracts light differently from sugar, so readings are wrong once fermentation has started. Use a hydrometer for FG.
How do I calibrate the MA885?
Calibrate with deionised or distilled water before measuring.
Does the sample need to be cooled before measuring?
The refractometer has automatic temperature compensation between 10 and 40 °C. Samples can be measured within this range but should not be warmer.
How much sample do I need?
At least 100 µL, i.e. a few drops that completely cover the prism.
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