VEE GEE Scientific Salt Hydrometers measure sodium chloride or calcium chloride. All have an accuracy of ±1 subdivisions and an approximate length of 305 mm. Model 6611-1 measures the % saturation of sodium chloride in solution. Model 6611-2 measures the % by weight of sodium chloride in solution. Model 6611-3 measures the specific gravity and freezing point of calcium chloride in solution.
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