Calibration mark

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Wheat beer glass with filling line, content (0.5 liters) and manufacturer's mark (Sahm)

The filling line (colloquially also known as calibration line ) is a label on dispensing vessels (in particular beer glasses , schnapps glasses as well as wine glasses and wine carafes in commercial bars ) and indicates the filling level for a certain volume , also known as the nominal volume.

Situation in Germany

In addition to the fill line, the content up to this point must be given as a numerical value and unit of measurement, as well as a manufacturer's identifier. The respective manufacturer's mark is approved upon application to the Physikalisch-Technische Bundesanstalt in Braunschweig, for example “Bö” for “Böckling”, “ra” or “rastal” for Rastal , “Sahm” for Sahm or “Kö” for Kössinger .

The technical requirements are precisely regulated in terms of consumer protection . The calibration line must be horizontal and at least ten millimeters long. Depending on the size of the glass, he has to keep certain distances to the upper edge of the glass. For glasses with four or ten centiliters, a second filling line may be added at half the volume.

Situation in Austria

In Austria, the permissible deviation for dispensing vessels with a nominal content of 1 cl to 5 cl and for dispensing vessels made of ceramic materials is ± 5% of the nominal content, otherwise ± 3% of the nominal content.

Situation in countries with imperial dimensions

With the pint glasses typical in the Anglo-Saxon and North American countries, there is no fill line for the full glass, but a pint is reached when the edge of the glass is closed; half a pint, however, is indicated by a filling line.

photos

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  Engraved calibration mark from Germany: 4/20 L = 0.2 liters

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  Filling line on a carafe from Austria

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  Traditional pint glass "№ 1545" from Warwickshire with filling line for ¹ ⁄ ₂ pint

Web links

Commons : fill stroke  - collection of images, videos, and audio files

Wikisource: Law relating to the designation of the volume of dispensing vessels. From July 20, 1881 (Germany)  - Sources and full texts

• Consumer protection for dispensing vessels - Landesbetrieb Mess- und Eichwesen NRW (PDF file; 48 kB) ( Memento from February 12, 2006 in the Internet Archive )

Individual evidence

1. ↑ Section 3, Paragraph 5 of the Beer Pot Ordinance