DR202 Digital Sea Water Refractometer Seawater Salinity Meter Specific Gravity Range 0―100‰ Chlorinity 0~57‰ Refractometer

feature The device is standardized and accurate and easy to read. Digital displays are fast and easy to read. Product specifications 1. Apply sugar Sodium chloride NaCl salinity salinity proportion Refractive index 2. Measurement range: Salinity: 0.0~28.0% Salinity: 0~280‰ Proportion: 1.000~1.217 Refractive index: 1.3330-1.4200nD 3. Accuracy rate Salinity: 0.1% Salinity: 1‰ Specific gravity: 0.001 Refractive index: 0.0001nD 4. Accuracy Salinity: ±0.2% Salinity: ±2‰ Specific gravity: ±0.002 Refractive index: ±0.0003nD Package included 1X digital refractometer 1X clean cloth 1X manual 1x box