Description
Hydrometer ASTM 3H-62 covering the 19–31 °API range without an integrated thermometer is a glass density instrument for determining API gravity of petroleum and related liquids. Graduated in 0,1 °API increments and referenced to a standard temperature of 60 °F, the hydrometer follows the ASTM 3H-62 designation and measures approximately 330 mm in length. This configuration is intended for laboratories and process control points that require straightforward API gravity readings without simultaneous temperature measurement on the same instrument. Produced by manufacturer Geco-Gering, the unit is supplied as a single piece for density and gravity determination workflows. The clear 0,1 °API scale division supports consistent reading across the stated measuring interval of 19 to 31 °API. Absence of a built-in thermometer keeps the design focused on gravity measurement alone, allowing separate temperature correction when required by the method. Suitable for petroleum laboratories, quality control and educational settings that specify ASTM-style API hydrometers of this scale and length.
This article is part of Hydrometers, in Density & viscosity measurement.
Key features
- Pack size: 1 pc
- Storage temperature: 10-50
- Type: A.P.I. gravity hydrometer
- Standard: ASTM 3H-62
- Measuring range: 19–31 °API
- Scale division: 0,1 °API
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Questions about Hydrometer ASTM 3H-62 19 - 31 without thermometer
What is this article?
Hydrometer ASTM 3H-62 19 - 31 without thermometer is the article on this page. Luminix Health distributes Geco-Gering for laboratory use. It sits in Hydrometers, inside Density & viscosity measurement, in Instruments de laboratoire.
A hydrometer floats in a liquid and the stem reading is the density or a related scale such as Brix. The liquid has to be at the temperature printed on the stem, or a correction is required. A chip on the stem changes the reading. One hydrometer does not cover every density.
Density is mass divided by volume. A hydrometer floats at a depth that depends on the density of the liquid. A pycnometer is a vessel of known volume that is weighed full. Viscosity is the resistance to flow. A capillary viscometer times how long a volume takes to fall through a tube. Both measurements need a stated temperature, because liquids change density and viscosity as they warm. The units trace to the BIPM and to NIST.
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The category is Density & viscosity measurement. The sub-category is Hydrometers. The catalogue is Instruments de laboratoire.
Shelves beside this one are Viscometers and Density meters & pycnometers.
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