| 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 |
| 9027.10 | 000 | Gas or smoke analysis apparatus |
| 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 |
| 9030.40 | 000 | Other instruments and apparatus, specially designed for telecommunications (for example, cross-talk meters, gain measuring instruments, distortion factor meters, psophometers) |
| 9030.82 | | For measuring or checking semiconductor wafers or devices |
| 90.31 | | Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this Chapter; profile projectors |
| 9031.41 | 000 | For inspecting semiconductor wafers or devices or for inspecting photomasks or reticles used in manufacturing semiconductor devices |
| 91.01 | | Wrist-watches, pocket-watches and other watches, including stop-watches, with case of precious metal or of metal clad with precious metal |
| 91.02 | | Wrist-watches, pocket-watches and other watches, including stop-watches, other than those of heading 91.01 |
| 91.03 | | Clocks with watch movements, excluding clocks of heading 91.04 |
| 9104.00 | 000 | Instrument panel clocks and clocks of a similar type for vehicles, aircraft, spacecraft or vessels |
| 91.05 | | Other clocks |
| 91.05 | | Alarm clocks |
| 9105.19 | | Wall clocks |
| 91.06 | | Time of day recording apparatus and apparatus for measuring, recording or otherwise indicating intervals of time, with clock or watch movement or with synchronous motor (for example, time-registers, time-recorders) |
| 9107.00 | 000 | Time switches with clock or watch movement or with synchronous motor |
| 91.09 | | Clock movements, complete and assembled |
| 91.10 | | Complete watch or clock movements, unassembled or partly assembled (movement sets); incomplete watch or clock movements, assembled; rough watch or clock movements |
| 91.12 | | Clock cases and cases of a similar type for other goods of this Chapter, and parts thereof |
| 9113.90 | 110 | (1) Containing furskin or combined or trimmed with precious metal, metal clad with precious metal or metal plated with precious metal, precious stones, semi-precious stones, pearls, coral, elephants' tusks or Bekko |