| 90 | Optical instruments and apparatus, photographic, cinematographic, measuring, checking, precision, medical or surgical; parts and accessories |
| 9025 | Hydrometers and similar devices operating when immersed liquid, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording device, or without a recording device, and any combination of these instruments |
| 902590 | Parts and accessories thereof hydrometers and similar devices operating pripogruzhenii in a liquid with the recording device or without |
| 90259000 | Parts and accessories thereof hydrometers and similar devices operating pripogruzhenii in a liquid with the recording device or without |