Bel-Art Products, 61807-4700, Durac 125/140% Alcohol Proof - Ethyl Alcohol Hydrometer
For determining proof of ethyl alcohol spirits. Made according to the Bureau of Internal Revenue, US Treasury Department. The tolerances listed for thesehydrometers are those outlined in Circular 555 of the National Bureau of Standards, Testing of Hydrometers. Hydrometers are individually serialized, feature readings in 0.2 divisions, are 300mm (12") long and feature a metal ballast. Hydrometers include multi-language (English, French, German, Italian, Portugueseand Spanish) Statement of Accuracy indicating accuracy traceable to NIST and DAkkS. Tested and calibrated in our exclusive triple accredited/registered ISO/IEC17025:2005, A2LA accredited laboratory against equipment whose calibration is traceable to NIST and DAkkS. Temperature of Standardization 60°F/60°F. Aftermanufacture each hydrometer is hand inspected by our U.S. quality team.