best deal Extech RF20 0 Parts per Thousand to 100 Parts per Thousand Automatic Temperature Compensation Salinity Refractometer

Extech RF20 0 Parts per Thousand to 100 Parts per Thousand Automatic Temperature Compensation Salinity Refractometer

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• Measures salinity from 0 to 100ppt
• Max resolution 1pp
• Automatic temperature compensation
• Only require 2 or 3 drops of solution
• Simple, repeatable measurements

Extech RF20 Salinity Refractometer

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