Our Precision Specific Gravity Hydrometers measure the ratio of the mass of a solid or liquid to the mass of an equal volume of distilled water. Each hydrometer has been calibrated for use at 60°F.
Specifications
| Item No. | Specific Gravity Range | Subdivisions | Length |
| 6603-10 | 0.700 to 0.810 | 0.001 | 12 in. (305 mm) |
| 6603-11 | 0.800 to 0.910 | 0.001 | 12 in. (305 mm) |
| 6603-12 | 0.900 to 1.000 | 0.001 | 12 in. (305 mm) |
| 6603-1 | 1.000 to 1.220 | 0.002 | 12 in. (305 mm) |
| 6603-2 | 1.200 to 1.420 | 0.002 | 12 in. (305 mm) |
| 6603-3 | 1.400 to 1.620 | 0.002 | 12 in. (305 mm) |
| 6603-4 | 1.600 to 1.820 | 0.002 | 12 in. (305 mm) |
| 6603-5 | 1.800 to 2.020 | 0.002 | 12 in. (305 mm) |
| 6603-20 | 2.000 to 2.220 | 0.002 | 12 in. (305 mm) |
| 6603-21 | 2.200 to 2.240 | 0.002 | 12 in. (305 mm) |
| 6603-22 | 2.400 to 2.620 | 0.002 | 12 in. (305 mm) |
| 6603-24 | 2.800 to 3.020 | 0.002 | 12 in. (305 mm) |
| 6603-13 | 0.700 to 1.000 | 0.005 | 12 in. (305 mm) |
| 6603-6 | 1.000 to 1.600 | 0.005 | 12 in. (305 mm) |
| 6603-7 | 1.000 to 2.000 | 0.01 | 12 in. (305 mm) |
| 6603-8 | 2.000 to 3.000 | 0.01 | 12 in. (305 mm) |
| 6603-9 | 3.000 to 4.000 | 0.01 | 12 in. (305 mm) |
