{"id":23874,"date":"2026-03-13T18:15:54","date_gmt":"2026-03-13T17:15:54","guid":{"rendered":"https:\/\/landoil.net\/refractometer-fluid-tester-landoil\/"},"modified":"2026-03-13T18:17:12","modified_gmt":"2026-03-13T17:17:12","slug":"refractometer-fluid-tester-landoil","status":"publish","type":"product","link":"https:\/\/landoil.net\/en\/refractometer-fluid-tester-landoil\/","title":{"rendered":"Refractometer Fluid Tester LANDOIL"},"content":{"rendered":"<p>The refractometer is an optical instrument that measures the refractive index of a fluid to determine the concentration percentage of the coolant lubricating emulsions. 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