Baumé hydrometer. Range 29-41. Plain form without thermometer. Scale has 0.1°Bé divisions. 300mm (12") length.
MFG# A-1012 (Bellwether 6609-4).
Forensics Lab Supply Number 5530107.
Formerly Grau-Hall Corporation dba Grau-Hall Scientific.
This hydrometer has been calibrated in accordance with the A.S.T.M. standard E 126 and N.I.S.T. circular No. 555. The instrument is traceable to N.I.S.T. having been calibrated against an instrument which has been certified by the National Institute of Standards and Technology.
Similar to item show at left.
Baumé hydrometer. Sometimes referred to as a saccharometer, they are used to measure sugar saturations accurately in liquids. Useful for making sugar cane syrup. See:
Sugarcane syrup at http://www.southernmatters.com/sugarcane/bulletins/cane_syrup.pdf
The Baumé scale was invented by Antoine Baumé (1728-1804), It is actually two scales, one for liquids that are more dense (heavier) than water and one for liquids that are less dense (lighter) than water. The hydrometers are calibrated using the rules on this site:
Baumé scale at http://www.ilpi.com/msds/ref/baumescale.html
The scale is sometimes
abbreviated 'Bé'. This scale is often used in industry to measure the concentration of acids, brines and pickling solutions. The measurement of salt solution concentration is employed in the processing of the dried salted meats charque and carne-de-sol. Brine solutions are important in the making of cheeses.
The Baumé scale is also used for tanning solutions in leather making and in
International shipping information: AES Exemption NoEEI, Paragraph 30378
Contents: Merchandise, Hydrometer
Weight of hydrometer: ?.? ounces
Country of Origin: U.S.A.