The IRS alcohol hydrometer is three-point certified to IRS standards for Proof and Tolerances and Traceable to NIST. It features 60 to 80% Proof range, I.R. size I, and is commonly used in distilleries that require certification. It also has a 0.2% subdivision and approximate length of 12.0079" (305 mm).
The IRS alcohol hydrometer is three-point certified to IRS standards for Proof and Tolerances and Traceable to NIST. It features 60 to 80% Proof range, I.R. size I, and is commonly used in distilleries that require certification. It also has a 0.2% subdivision and approximate length of 12.0079" (305 mm).
| Proof Range | 60 to 80% |
| I.R. Size | I |
| Subdivision | 0.002 |
| Tolerance | ±0.3% |
| Approx. Length | 12.0079" (305 mm) |
