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Hand held instrument for the measurement of the TRUE Salinity and Specific Gravity (S.G.) of sea water by refractive index.
- True calibration for Seawater measurement.
- A New finer scale running from 20-40ppt salinity (SG 1.015 – 1.030)
- 20/20 calibration at room temperature for more consistency and accuracy in everyday use.
- Full ATC (auto temperature compensation) ranging from 5 to 30 deg C