ASTM API Hydrometer, ASTM 52HM, 9/21 x 0.1 & 30/180F Spirit, 380mm, glass
Sodium Chloride Hydrometers, % by weight, 0 to 26.5%
was$31.31Special Price$29.36
These hydrometers measure the percentage of sodium chloride (Salinity). Specifically, model 6611-1 measures the saturation percentage of sodium chloride in solutions and model 6611-2 measures the percentage by weight of sodium chloride in solutions. Both models are calibrated for use at 15°C (60°F). (1 per EA )