Milwaukee Instruments
Milwaukee Instruments MA871 Digital Brix Refractometer
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Best Refractometers · head-to-head
Milwaukee Instruments MA871 Digital Brix Refractometer vs Extech RF20 Salinity Refractometer
A sourced, side-by-side comparison. Milwaukee Instruments MA871 Digital Brix Refractometer is cheaper at —. Every spec and price links to its source.
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Extech
Extech RF20 Salinity Refractometer
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Milwaukee Instruments MA871 Digital Brix Refractometer | Extech RF20 Salinity Refractometer |
|---|---|---|
| US price | — | — |
| Brand | Milwaukee Instruments | Extech |
| Released | — | — |
| Brix range pct | 0 to 85 | — |
| Resolution pct | 0.1 | 1 ppt |
| Accuracy pct | ±0.2 | ±0.1% |
| Atc | Yes | Yes |
| Scale type | Brix | Salinity (0-100 ppt) |
| Digital or analog | Digital | Analog |
| Sample volume (ml) | 0.1 | — |
| Prism material | Flint glass (with stainless steel sample-well ring) | — |
Sources — Milwaukee Instruments MA871 Digital Brix Refractometer: milwaukeeinstruments.eu (verified 2026-08-12). Extech RF20 Salinity Refractometer: extech.com (verified 2026-08-12).
What's the difference between the Milwaukee Instruments MA871 Digital Brix Refractometer and Extech RF20 Salinity Refractometer?
Where the two actually differ on the specs we track (4 of 8). Matching specs are omitted.
- Resolution pct: Milwaukee Instruments MA871 Digital Brix Refractometer 0.1 vs Extech RF20 Salinity Refractometer 1 ppt
- Accuracy pct: Milwaukee Instruments MA871 Digital Brix Refractometer ±0.2 vs Extech RF20 Salinity Refractometer ±0.1%
- Scale type: Milwaukee Instruments MA871 Digital Brix Refractometer Brix vs Extech RF20 Salinity Refractometer Salinity (0-100 ppt)
- Digital or analog: Milwaukee Instruments MA871 Digital Brix Refractometer Digital vs Extech RF20 Salinity Refractometer Analog