Description
Hydrometer for general use covering the density range 0,800–0,900 g/ml with a scale division of 0,001 g/ml is a glass instrument for routine liquid density determination at a reference temperature of 20 °C. It is not standardized, is read below the meniscus, and is calibrated at 20 °C with results expressed in g/ml. The instrument length is 300 mm, giving a practical working size for laboratory cylinders and density checks on liquids within the stated range. A calibration certificate is not available. Offered as a single piece with a net weight of 0,100 kg, this general-purpose hydrometer (ALLA FRANCE type) from manufacturer Labbox supports everyday density measurements in research, teaching, and quality-control laboratories. Typical applications include checking liquid density where a 0,001 g/ml resolution over 0,800–0,900 g/ml is sufficient and a simple, non-standardized hydrometer read below the meniscus is appropriate. The clear scale interval and fixed calibration temperature help operators obtain consistent comparative readings under controlled laboratory conditions.
This article is part of Hydrometers, in Density & viscosity measurement.
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Questions about Commercial grade hydrometer, 0.800-0.900 : 0.001 g/ml Tp.20ºC
What is this article?
Commercial grade hydrometer, 0.800-0.900 : 0.001 g/ml Tp.20ºC is the article on this page. Luminix Health distributes Labbox for laboratory use. It sits in Hydromètres, inside Mesure de densité & viscosité, 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.
Which category should I open next?
The category is Mesure de densité & viscosité. The sub-category is Hydromètres. The catalogue is Instruments de laboratoire.
Shelves beside this one are Viscosimètres and Densimètres & pycnomètres.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

