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Calcium Chloride Hydrometer
This calcium chloride (CaCl₂) hydrometer measures the specific gravity and freezing point of calcium chloride in solutions.
Expand 1 item
Alcohol Tralle and Proof Hydrometers
Our alcohol hydrometers measure using the tralle and proof scales.
Expand 2 item
Plato Hydrometers with Thermometer
Our Plato hydrometers are calibrated to show the concentration of extract as a percentage by weight in brewery wort. For example, a 5° P reading indicates 5 g of extract per 100 g of wort.
Expand 4 item
ASTM Specific Gravity Hydrometers
Our ASTM specific gravity hydrometers are calibrated at 60 °F and manufactured to the specifications of the American Society for Testing and Materials (ASTM).
Expand 20 item
Soil Hydrometer, Specific Gravity, ASTM 151H
This hydrometer measures the specific gravity of soil samples in suspension.
Expand 1 item
Soil Hydrometer, Soil Colloids, ASTM 152H
This hydrometer measures the amount of soil colloids in grams of soil samples in suspension.
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API Thermo-Hydrometers
Our API scale hydrometers measure the scale which was selected in 1921 by the American Petroleum Institute (API), the U.S. Bureau of Mines, and the National Institute of Standards and Technology (NIST) as the standard hydrometer scale for petroleum products.