Hydrometers
Hydrometers measure the specific gravity of liquids or soil grains that are too fine for sieve analysis. The free floating device features a cylindrical stem with a ballast bulb bottom. Weighted with metal instead of lead or mercury, users simply read the graduated measurement at the meniscus. Optically clear for exact conclusions, hydrometers may come calibrated for specific tests. Range subdivisions and accuracy levels differ among the relative density analyzing instruments.
API Thermo-Hydrometers
Supplier: Heathrow Scientific
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.
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Precision Specific Gravity Hydrometers
Supplier: Heathrow Scientific
These precision specific gravity hydrometers measure the ratio of the mass of a solid or liquid to the mass of an equal volume of distilled water.
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Universal Dual Scale Hydrometer
Supplier: Heathrow Scientific
This dual scale hydrometer measures the specific gravity and baume of liquids.
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Specific Gravity Hydrometers with Thermometer
Supplier: Heathrow Scientific
These specific gravity hydrometers feature an internal thermometer for calculating temperature corrections and are calibrated for use at 60 ℉.
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Calcium Chloride Hydrometer
Supplier: Heathrow Scientific
This calcium chloride (CaCl₂) hydrometer measures the specific gravity and freezing point of calcium chloride in solutions.
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Specific Gravity Precision Hydrometer
Supplier: Bel-Art
Precision hydrometer features 0.0005 divisions, 325 mm length, and metal ballast.
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Soil Hydrometer, Specific Gravity, ASTM 151H
Supplier: Heathrow Scientific
This hydrometer measures the specific gravity of soil samples in suspension.
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GOLD BRAND ASTM/API High Precision Plain Form Hydrometer, Thermco
Supplier: Thermco
High precison ASTM plain form hydrometers made to exceed ASTM and API specifications, which do not incorporate a thermometer in the hydrometer
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Universal Laboratory Hydrometer
Supplier: Wards
Measures specific gravity range of 0.700 to 2.000 with 0.01 graduations and dual scale for light and heavy liquids.
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ASTM Specific Gravity Hydrometers
Supplier: Heathrow Scientific
Our ASTM specific gravity hydrometers are calibrated at 60 °F and manufactured to the specifications of the American Society for Testing and Materials (ASTM).
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Wide-Range Specific Gravity Hydrometers
Supplier: Heathrow Scientific
These wide range specific gravity hydrometers are ideal to use when you aren't sure of the approximate value of your liquid. These refractometers can also be used for measuring multiple liquids with different specific gravity amounts.
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ASTM/API Precision Combined Form +30/180 ºF Hydrometer, Thermco
Supplier: Thermco
Precison ASTM-like combined form hydrometers made to meet ASTM and API specifications, which incorporate a thermometer in the hydrometer
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API Precision Combined Form Hydrometer, Thermco
Supplier: Thermco
Precison API combined form hydrometers made to meet API specifications, which incorporate a thermometer in the hydrometer
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Catalog #: CA21905-026
Supplier: Kimberly-Clark