| 9026.90 | 000 | Parts and accessories | 
| 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 | 
| 9027.90 |  | Microtomes; parts and accessories | 
| 9027.90 | 010 | - Parts and accessories of electrical instruments and apparatus | 
| 9028.90 | 000 | Parts and accessories | 
| 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 | 
| 9029.20 |  | Speed indicators and tachometers; stroboscopes | 
| 9029.90 | 000 | Parts and accessories | 
| 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 | 010 | - Character measuring testers | 
| 9030.90 | 000 | Parts and accessories | 
| 90.31 |  | Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this Chapter; profile projectors | 
| 9031.10 | 000 | Machines for balancing mechanical parts | 
| 9031.41 | 000 | For inspecting semiconductor wafers or devices or for inspecting photomasks or reticles used in manufacturing semiconductor devices | 
| 9031.80 |  | Other instruments, appliances and machines | 
| 9031.90 |  | Parts and accessories | 
| 9032.90 | 000 | Parts and accessories | 
| 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, 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, electrically operated, whether or not incorporating a stop-watch facility | 
| 9102.19 |  | Other wrist-watches, whether or not incorporating a stop-watch facility | 
| 9104.00 | 000 | Instrument panel clocks and clocks of a similar type for vehicles, aircraft, spacecraft or vessels |