The IRS alcohol hydrometer is three-point certified to IRS standards for Proof and Tolerances and Traceable to NIST. It features 20 to 40% Proof range, I.R. size G, 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 20 to 40% Proof range, I.R. size G, 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 | 20 to 40% |
| I.R. Size | G |
| Subdivision | 0.2% |
| Tolerance | ±0.4% |
| Approx. Length | 12.0079" (305 mm) |
