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 cylinder measurement at the meniscus. Optically clear for exact conclusions and accurate readings, hydrometers may come calibrated for specific tests. Range subdivisions and accuracy levels differ among the relative density analyzing instruments. Ethyl alcohol hydrometers can measure potential alcohol content which helps one to calculate the alcoholic content by measuring the difference of original gravity and final gravity.
VWR® Durac™ Plus, Hydrometers
Supplier: VWR Collection
These plain form hydrometers are designed for applications where rough handling or contamination could be an issue.
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Density hydrometers
Supplier: Ludwig Schneider GmbH & CO. KG
Density hydrometers without thermometer calibrated at 20 °C.
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Soil hydrometers
Supplier: Ludwig Schneider GmbH & CO. KG
Soil hydrometers according to the American Society for Testing Materials.
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Density hydrometers
Supplier: Ludwig Schneider GmbH & CO. KG
Density hydrometers calibrated at 20 °C.
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Hydrometers for condensed milk
Supplier: Ludwig Schneider GmbH & CO. KG
These hydrometers are used for official testing, especially on condensed milk.
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Precision density hydrometers, L50 SP series
Supplier: Ludwig Schneider GmbH & CO. KG
Precision density hydrometers for official testing.
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Hydrometers
Supplier: Amarell
Density hydrometers with reference temperature of 15 °C (without thermometer).
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Precision hydrometers, ASTM (API Grade)
Supplier: Ludwig Schneider GmbH & CO. KG
These precision hydrometers are calibrated without thermometer.
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Precision hydrometers according to Baumé
Supplier: Ludwig Schneider GmbH & CO. KG
These precision hydrometers according to Baumé are suitable for calibration.
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Specific gravity hydrometers
Supplier: Amarell
These hydrometers are designed for the ranges of 0,600 up to 2,000 °SG.
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Hydrometers for Special Applications
Supplier: Ludwig Schneider GmbH & CO. KG
These hydrometers for special applications are designed without thermometer with reference temperature of 15/20 °C.
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API precision hydrometers
Supplier: Ludwig Schneider GmbH & CO. KG
API precision hydrometers with blue filling thermometer.
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Precision density hydrometers, L20
Supplier: Ludwig Schneider GmbH & CO. KG
These precision density hydrometers without thermometers are suitable for calibration.
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Specific gravity hydrometers
Supplier: Ludwig Schneider GmbH & CO. KG
These high quality PC hydrometers are suitable for applications in food, pharmaceutical and cosmetic industries.
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Density hydrometers
Supplier: Ludwig Schneider GmbH & CO. KG
Precision hydrometers with integrated blue filling thermometer.
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Precision hydrometers, ASTM E100-10
Supplier: Ludwig Schneider GmbH & CO. KG
Precision hydrometers (with or without thermometer) with reference temperature of 15 °C.
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Hydrometers, Anti-freeze Tester
Supplier: Amarell
In this hydrometer in glass tube with suction ball and plastic suction.
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Hydrometer
Supplier: Amarell
General purpose hydrometers with reference temperature of 20 °C.
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Plastic hydrometers, Durac™, SP Bel-Art
Supplier: Bel-Art Products, a Part of SP
Made from optical quality polycarbonate, these plain form hydrometers are designed for applications where rough handling or contamination could be an issue.
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Precision hydrometers, ASTM E100
Supplier: Ludwig Schneider GmbH & CO. KG
These precision ASTM E100 hydrometers are designed for specific gravity or relative density.
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Specific Gravity Hydrometers
Supplier: Amarell
These general-purpose hydrometers are available with a thermometer inside the body or without a thermometer.
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Boiler hydrometers
Supplier: Amarell
Hydrometers with thermometer for boiler feed water according to Doctor Ammer.
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Density hydrometers, S50
Supplier: Amarell
Hydrometers in a wide range of measuring scales.
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Hydrometers
Supplier: NEUBERT VOLUME GLASSWAERE
Both hydrometers (aerometers) are designed for the determination of density by the Archimede's principle.
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Hydrometers acc. to Vogel
Supplier: Amarell
Hydrometers specifically designed for urine analyses.
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Hydrometers for nitric acid
Supplier: Amarell
Hydrometers (areometers) for nitric acid (HNO₃).
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Hydrometers for sulphuric acid
Supplier: Amarell
Hydrometers (areometers) for sulphuric acid (H₂SO₄).
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Baumé hydrometers
Supplier: Amarell
General purpose Baumé hydrometers with or without thermometer.