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- Refractometer: portable Pen-Pro
- Refractometer: portable Master series, metal body
- Refractometer: portable Master series, plastic body
- Refractometer: portable
- Refractometer: portable serie PAL
- Refractometer: portable serie PAL with special scales
- Refractometer: portable Palette serie
- Refractometer: portable for wine
- Refractometer: portable Digital
| Refractometer: portable Pen-Pro. Extremely water resistant (IP65), external light interference (ELI), ATC, calibration with water, measurement in 2 seconds, 70g. |  |
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