| 90.25 | | Thermometers and pyrometers, not combined with other instruments |
| 9025.11 | 000 | Liquid-filled, for direct reading |
| 90.26 | | Instruments and apparatus for measuring or checking the flow, level, pressure or other variables of liquids or gases (for example, flow meters, level gauges, manometers, heat meters), excluding instruments and apparatus of heading 90.14, 90.15, 90.28 or 90.32 |
| 90.27 | | Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes |
| 9027.30 | 000 | Spectrometers, spectrophotometers and spectrographs using optical radiations (UV, visible, IR) |
| 9027.50 | 000 | Other instruments and apparatus using optical radiations (UV, visible, IR) |
| 90.28 | | Gas, liquid or electricity supply or production meters, including calibrating meters therefor |
| 90.29 | | Revolution counters, production counters, taximeters, mileometers, pedometers and the like; speed indicators and tachometers, other than those of heading 90.14 or 90.15; stroboscopes |
| 9029.10 | 000 | Revolution counters, production counters, taximeters, mileometers, pedometers and the like |
| 90.30 | | Oscilloscopes, spectrum analysers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 90.28; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionising radiations |
| 9030.20 | | Other instruments and apparatus, for measuring or checking voltage, current, resistance or power |
| 9030.33 | | Other, without a recording device |
| 9030.39 | 000 | Other, with a recording device |
| 9030.40 | 000 | Other instruments and apparatus, specially designed for telecommunications (for example, cross-talk meters, gain measuring instruments, distortion factor meters, psophometers) |
| 9030.84 | 000 | Other, with a recording device |
| 90.31 | | Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this Chapter; profile projectors |
| 9031.80 | | Other instruments, appliances and machines |
| 9033.00 | 000 | Parts and accessories (not specified or included elsewhere in this Chapter) for machines, appliances, instruments or apparatus of Chapter 90 |
| 91.01 | | Wrist-watches, pocket-watches and other watches, including stop-watches, with case of precious metal or of metal clad with precious metal |
| 91.01 | | Wrist-watches, electrically operated, whether or not incorporating a stop-watch facility |
| 9101.19 | | Other wrist-watches, whether or not incorporating a stop-watch facility |
| 91.02 | | Wrist-watches, pocket-watches and other watches, including stop-watches, other than those of heading 91.01 |
| 91.02 | | Wrist-watches, electrically operated, whether or not incorporating a stop-watch facility |