The scientific alcohol hydrometer uses the Tralle and Proof scales. It features 0 to 100% Tralle and 0 to 200% Proof ranges and also includes an internal thermometer for measuring solution temperature from -10 to 100°F. The approximate length is 13.9764" (355 mm).
The scientific alcohol hydrometer uses the Tralle and Proof scales. It features 0 to 100% Tralle and 0 to 200% Proof ranges and also includes an internal thermometer for measuring solution temperature from -10 to 100°F. The approximate length is 13.9764" (355 mm).
| Tralle Range | 0 to 100% |
| Proof Range | 0 to 200% |
| Subdivision | 1%/2% |
| Tolerance | ±1%/±2% |
| Thermometer Scale (SafetyBLUE) | -10 to 100°F |
| Approx. Length | 13.9764" (355 mm) |
