Description
Hydrometer according to Twaddell covering 102–138 °Twaddell is a laboratory density instrument for liquid specific-gravity determination on the Twaddell scale. It offers a scale division of 0,5 °Twaddell and an accuracy of ±1 scale division, supporting clear, repeatable readings in routine analytical work. The body is 300 mm long and is referenced to 60 °F, providing a defined calibration basis for density assessments. An integrated thermometer from 0 to +40/50 °C with 1 °C graduation and red or blue special filling enables simultaneous temperature observation, with bottom reading of the scale. Supplied as one piece from manufacturer Amarell, this hydrometer is suited to quality control, process monitoring and laboratory density checks wherever Twaddell units are specified. The graduated stem and built-in temperature scale help operators verify measurement conditions during use. The Twaddell format remains a practical choice for industrial and research laboratories that need density characterisation of process liquids within the stated scale window.
This article is part of Hydrometers, in Density & viscosity measurement.
Key features
- Pack size: 1 pc
- Scale range: 102–138 °Twaddell
- Scale division: 0,5 °Twaddell
- Length: 300 mm
- Accuracy: ±1 scale division
- Reference temperature: 60 °F
Recently viewed
You may also like
Questions about Hydrometer according to Twaddell, 102-138:0,5°Twaddell, accuracy +/- 1 scale
What is this article?
Hydrometer according to Twaddell, 102-138:0,5°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.
What should I check before I order?
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
How does ordering and shipping work?
Luminix Health distributes this article from the heart of Europe. Delivery across Europe, two to five days when in stock. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.