OxyGuard Hand Held Salinity Refractometer

The OxyGuard hand held refractometer is a small refractometer designed to measure the salinity of sea water and saline solutions of similar concentration.  It has a scale of 0-100 ppt, with 1 ppt scale divisions, enabling the direct determination of salinity in water that contains dissolved salt and little or no other dissolved solids.

$375 AUD

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