| 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 |
| 9029.20 | 090 | - Other |
| 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 |
| 9030.33 | 090 | - Other |
| 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) |
| 9030.40 | | Other instruments and apparatus |
| 9030.82 | 090 | - Other |
| 9030.84 | 000 | Other, with a recording device |
| 9030.89 | | Other |
| 9030.89 | 099 | - Other |
| 9031.20 | | Other optical instruments and appliances |
| 9031.49 | 000 | Other |
| 9031.80 | | Other instruments, appliances and machines |
| 9031.80 | 019 | -- Other |
| 9031.80 | 090 | - Other |
| 9031.90 | 090 | - Other |
| 9032.10 | | Thermostats |
| 9032.10 | 090 | - Other |