| 90249000 | Parts and accessories Machines and appliances for testing the hardness |
| 90251100 | Actinometers, Existing simply of two special thermometers combined, liquid-filled, for direct reading, Thermometers, liquid-filled, direct reading |
| 90251900 | Thermometers and pyrometers, not combined with other instruments |
| 90258000 | Acidimeters, for determination of specific gravity of accumulator acid, electrical, Alcoholometers, electrical, Altimeters, barometric, electrical, Hygrographs, electrical, Hygrometers, non-electrical, Pagoscopes, electrical, Psychrometers, electrical, Ps |
| 90259000 | Parts and accessories thermometers, pyrometers, barometers, hygrometers and psychrometers |
| 90261000 | Level indicator for oil |
| 90262000 | Manometers, Manometers, for motor vehicles, electrically operated, Manometers, for motor vehicles, not electrically operated, Manometers, not for motor vehicles, electrically operated, Manometers, not for motor vehicles, not electrically operated, Manual |
| 90268000 | Anemometers, recording flow of air currents, electrical |
| 90269000 | Parts and accessories measuring or checking the flow, level, pressure or other variables of liquids or gases |
| 90271000 | Apparatus, combustion, for gas analysis, electrical, Apparatus, explosion, gas analysis, electrically operated, Apparatus, gas analysis, electrically operated, Apparatus, Orsat's, electrically operated, Apparatus, smoke analysis, electrically operated |
