H-b Instrument B61807-4000 Ethyl Alcohol Glass Hydrometer 75-95% PROOF 0.2%

Manufacturer	Unbranded
Model Number	B00NG25A8G

This is a hydrometer for determining proof of alcohol. It is calibrated to meet the standards outlined in circular 555 of the National Bureau of Standards, Testing of Hydrometers. It is individually packaged and has a multi-language Statement of Accuracy indicating accuracy traceable to NIST. The hydrometer is also calibrated against equipment whose calibration is traceable to NIST, and it comes with a temperature of standardization 60f/60f metal ballast.

For determining proof of alcohol percent, all hydrometers are made according to the bureau of internal revenue, us treasure department. The tolerances listed for these hydrometers are those outlined in circular 555 of the National bureau of standards, testing of hydrometers. Each hydrometer is calibrated in a triple accredited ISO/IEC 17025:2005, A2LA accredited laboratory against equipment whose calibration is traceable to NIST. Individually packaged with a multi-language Statement of accuracy indicating accuracy traceable to NIST. Nist traceable temperature of standardization 60f/60f metal ballast individually serialized.