Our Wide Range Specific Gravity Hydrometers are ideal to use when you aren't sure of the approximate value of your liquid. These refractometers can also be used for measuring multiple liquids with different specific gravity amounts. All of our specific gravity hydrometers are calibrated at 60°F.
Specifications
| Item No. | Specific Gravity Range | Subdivisions | Length |
| 6604-1 | 1.000 to 1.250 | 0.005 | 6.5 in. (165 mm) |
| 6604-2 | 1.200 to 1.450 | 0.005 | 6.5 in. (165 mm) |
| 6604-3 | 1.400 to 1.650 | 0.005 | 6.5 in. (165 mm) |
| 6604-4 | 1.600 to 1.850 | 0.005 | 6.5 in. (165 mm) |
| 6604-5 | 1.800 to 2.050 | 0.005 | 6.5 in. (165 mm) |
