These specific gravity hydrometers feature an internal thermometer for calculating temperature corrections and are calibrated for use at 60°F. The liquid fill of these internal thermometers is safety blue.
Specifications
| Item No. | Specific Gravity Range | Subdivisions | Temperature Range | Thermometer Subdivisions | Length |
| 6602TS-7 | 1.000 to 1.070 | 0.001 | 20 to 150°F | 2°F | 15 in. (385 mm) |
| 6602TS-8 | 1.060 to 1.130 | 0.001 | 20 to 150°F | 2°F | 15 in. (385 mm) |
| 6603TS-1 | 1.000 to 1.220 | 0.002 | 20 to 150°F | 2°F | 12 in. (305 mm) |
