| 9027.90.64 | 00 | Of optical instruments and apparatus: | | | | |
| 9027.90.84 | 00 | Other: | | | | |
| 9028 | | Gas, liquid or electricity supply or production meters, including calibrating meters thereof; parts and accessories thereof: | | | | |
| 9029 | | Revolution counters, production counters, taximeters, odometers, pedometers and the like; speedometers and tachometers, other than those of heading 9014 or 9015; stroboscopes; parts and accessories thereof: | | | | |
| 9029.10 | | Revolution counters, production counters, taximeters, odometers, pedometers and the like: | | | | |
| 9029.20 | | Speedometers and tachometers; stroboscopes: | | | | |
| 9029.90 | | Parts and accessories: | | | | |
| 9030 | | Oscilloscopes, spectrum analyzers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionizing radiations; parts and accessories thereof: | | | | |
| 9030.20 | | Oscilloscopes and oscillographs: | | | | |
| 9030.31.00 | 00 | Other instruments and apparatus, for measuring or checking voltage, current, resistance or power: | | | | |
| 9030.82.00 | 00 | Other instruments and apparatus: | | | | |
| 9030.90 | | Parts and accessories: | | | | |
| 9030.90.25 | 00 | For articles of subheading 9030.10: | | | | |
| 9030.90.64 | 00 | Other: | | | | |
| 9030.90.64 | 00 | Printed circuit assemblies: | | | | |
| 9030.90.84 | 00 | Other: | | | | |
| 9031 | | Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof: | | | | |
| 9031.41.00 | | Other optical instruments and appliances: | | | | |
| 9031.41.00 | 40 | For inspecting semiconductor wafers or devices: | | | | |
| 9031.49 | | Other: | | | | |
| 9031.80 | | Other instruments, appliances and machines: | | | | |
| 9031.80.80 | 60 | Equipment for testing the characteristics of internal combustion engines: | | | | |
| 9031.90 | | Parts and accessories: | | | | |
| 9031.90.45 | 00 | Of other optical instruments and appliances, other than test benches: | | | | |
| 9031.90.70 | 00 | Other: | | | | |
