692.5 g/kg = 695.893 PSU
| g/kg | PSU |
|---|---|
| 677.5 g/kg | 680.82 |
| 682.5 g/kg | 685.844 |
| 687.5 g/kg | 690.869 |
| 692.5 | 695.893 |
| 697.5 g/kg | 700.918 |
| 702.5 g/kg | 705.942 |
| 707.5 g/kg | 710.967 |
692.5 g/kg = 695.893 PSU
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)