Description
Hydrometer according to Twaddell covering the scale range 0–26 °Twaddell with a scale division of 0,5 °Twaddell and an accuracy of ± 1 scale division is a glass density instrument for liquid density determination on the Twaddell scale. The unit is 240 mm long, calibrated to a reference temperature of 60 °F, supplied without a thermometer, and designed for bottom scale reading. The finer 0,5 °Twaddell graduation across the lower Twaddell interval supports density work on lighter liquids in laboratory quality control, production monitoring, and routine analytical practice. The longer 240 mm body suits standard hydrometer cylinders where extended immersion and clear scale visibility are required. Available from manufacturer Amarell, the instrument provides bottom reading for consistent meniscus observation under typical bench conditions. Because no thermometer is integrated, temperature control or correction is applied separately according to the method in use. Pack size is 1 piece, suitable for density measurement setups that rely on the Twaddell scale without combined temperature measurement on the same instrument and that benefit from the 0,5 °Twaddell division over 0–26 °Twaddell.
This article is part of Hydrometers, in Density & viscosity measurement.
Key features
- Pack size: 1 pc
- Scale range: 0–26 °Twaddell
- Scale division: 0,5 °Twaddell
- Accuracy: ± 1 scale division
- Length: 240 mm
- Reference temperature: 60 °F
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Questions about Hydrometer according to Twaddell, 0-26:0,5°Twaddell, accuracy +/- 1 scale
What is this article?
Hydrometer according to Twaddell, 0-26:0,5°Twaddell, accuracy +/- 1 scale is the article on this page. Luminix Health distributes Amarell for laboratory use. It sits in Hydrometers, inside Density & viscosity measurement, in Lab instruments.
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 Density & viscosity measurement. The sub-category is Hydrometers. The catalogue is Lab instruments.
Shelves beside this one are Viscometers and Density meters & pycnometers.
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