Description
Hydrometer test jar 500 ml – graduated cylinder from Alla France
Test jar, or measuring cylinder, from Alla France for taking hydrometer readings. It holds 500 ml, is 36 cm tall and 5 cm in diameter, and is made from graduated polypropylene. The height and diameter give the hydrometer room to float freely while you take the reading.
Technical data
- Volume: 500 ml
- Height: 36 cm
- Diameter: 5 cm
- Material: polypropylene, graduated
- Manufacturer: Alla France
Frequently asked questions about the hydrometer test jar
Why do I need a test jar?
The hydrometer has to float freely in the sample to give a correct reading. With a test jar you only need a small sample, and you avoid measuring directly in the fermenter.
Why plastic rather than glass?
Polypropylene does not break as easily as glass, and the jar is graduated, so it can double as a measuring cylinder.
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