Our Ultra 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. These hydrometers feature smaller ranges but with higher resolution and have all been calibrated for use at 60°F.
Specifications
| Item No. | Specific Gravity Range | Subdivisions | Length |
| 6602-0 | 0.600 to 0.670 | 0.0005 | 13 in. (330 mm) |
| 6602-1 | 0.640 to 0.710 | 0.0005 | 13 in. (330 mm) |
| 6602-2 | 0.700 to 0.770 | 0.0005 | 13 in. (330 mm) |
| 6602-3 | 0.760 to 0.830 | 0.0005 | 13 in. (330 mm) |
| 6602-4 | 0.820 to 0.890 | 0.0005 | 13 in. (330 mm) |
| 6602-5 | 0.880 to 0.950 | 0.0005 | 13 in. (330 mm) |
| 6602-6 | 0.940 to 1.010 | 0.0005 | 13 in. (330 mm) |
| 6602-7 | 1.000 to 1.070 | 0.0005 | 13 in. (330 mm) |
| 6602-8 | 1.060 to 1.130 | 0.0005 | 13 in. (330 mm) |
| 6602-9 | 1.120 to 1.190 | 0.0005 | 13 in. (330 mm) |
| 6602-10 | 1.180 to 1.250 | 0.0005 | 13 in. (330 mm) |
| 6602-11 | 1.240 to 1.310 | 0.0005 | 13 in. (330 mm) |
| 6602-12 | 1.300 to 1.370 | 0.0005 | 13 in. (330 mm) |
| 6602-13 | 1.360 to 1.430 | 0.0005 | 13 in. (330 mm) |
| 6602-14 | 1.420 to 1.490 | 0.0005 | 13 in. (330 mm) |
| 6602-15 | 1.480 to 1.550 | 0.0005 | 13 in. (330 mm) |
| 6602-16 | 1.540 to 1.610 | 0.0005 | 13 in. (330 mm) |
| 6602-17 | 1.600 to 1.670 | 0.0005 | 13 in. (330 mm) |
| 6602-18 | 1.660 to 1.730 | 0.0005 | 13 in. (330 mm) |
| 6602-19 | 1.720 to 1.790 | 0.0005 | 13 in. (330 mm) |
| 6602-20 | 1.780 to 1.850 | 0.0005 | 13 in. (330 mm) |
| 6602-21 | 1.840 to 1.920 | 0.0005 | 13 in. (330 mm) |
