Alcohol Hydrometers, Proof Scale, IRS Specification, with Certification
These IRS alcohol hydrometers use the Proof scale and comply with IRS specifications.
- Calibration for use at 15.5 °C/60 °F
- NIST-Traceable certificate
Verify the alcohol content of your ethyl alcohol-based spirits with our proof scale hydrometer. Tolerances match those laid out by IRS specifications.
: Includes hydrometer, NIST-traceable certificate, and PVC case.
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