# Urinometer

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A typical urinometer

An **Urinometer** is a simple piece of equipment for determining [urine specific gravity](/source/Urine_specific_gravity).[1]

## Description

A typical urinometer is composed of a float, a weight, and a stem. The float is an air-filled glass tube, ending in the weight on the left and the stem on the right. The weight is a bulb filled with ball bearings embedded in a red solid, probably a glue of some sort. The glass stem extends to the right, and has calibrated graduations and numbers marked off to indicate specific gravity measurements.[2]

## Application

An urinometer is typically used in medical [diagnostic](/source/Diagnostic_test) labs. It is placed in a tube of urine, and where the [meniscus](/source/Meniscus_(liquid)) of the urine reaches displays the specific gravity of the urine.

## See also

- [Urinalysis](/source/Urinalysis)

## References

1. **[^](#cite_ref-1)** ["Urinometer"](https://warwick.ac.uk/fac/arts/history/chm/outreach/cwhp/sitesofmemory/objects/obj28/). *warwick.ac.uk*. Retrieved 2022-07-27.

1. **[^](#cite_ref-2)** ["Synthetic Urine Kits: Review Of Fake Urine Brands"](https://web.archive.org/web/20230214075948/https://www.villagevoice.com/2023/02/13/best-synthetic-urine-kits-review-of-the-top-3-fake-urine-brands-2023/). Archived from [the original](https://www.villagevoice.com/2023/02/13/best-synthetic-urine-kits-review-of-the-top-3-fake-urine-brands-2023/) on February 14, 2023. Retrieved 2023-03-27.

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