DR201 Digital Salt Refractometer Salinity Specific Gravity Meter 0~28% Refractometer Food Salt Content Tester Sodium Chloride NaCl, DR201

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featureThe device is standardized and accurate and easy to read. Digital displays are fast and easy to read.Product specifications1. Apply sugarSodium chloride NaClsalinitysalinity proportionRefractive index2. Measurement range:Salinity: 0.0~28.0%Salinity: 0~280‰Proportion: 1.000~1.217Refractive index: 1.3330-1.4200nD3. Salt absorptionSalinity: 0.1%Salinity: 1‰Specific gravity: 0.001Refractive index: 0.0001nD4. AccuracySalinity: ±0.2%Salinity: ±2‰Specific gravity: ±0.002Refractive index: ±0.0003nD Show more