NQA
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Water Quality Monitoring Instrumentation

Environmental & sustainable water treatment to save the planet

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Refractometers & Hydrometers

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Refract.jpg (5442 bytes) buy or view price Refractometer for the measurement of seawater salinity, the instrument has the range 0 to 100 ppt and it is automatically temperature compensated.  These are great instruments and very simple to use, even if you are on a work boat or pontoon.
    gravit2.jpg (2745 bytes) buy or view price Salinity hydrometers
  • Specific gravity to salinity and conductivity
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