| 9030.31 | 000 | Multimeters without a recording device |
| 9030.32 | 000 | Multimeters with a recording device |
| 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) |
| 9030.82 | | For measuring or checking semiconductor wafers or devices |
| 9030.82 | 010 | - Character measuring testers |
| 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 |
| 9031.10 | 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 | 011 | -- Automatic measuring instruments |
| 9031.80 | 013 | -- Vibration measuring and testing apparatus |
| 90.32 | | Automatic regulating or controlling instruments and apparatus |
| 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 |
| 9101.21 | 000 | With automatic winding |
| 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 |
| 9102.19 | | Other wrist-watches, whether or not incorporating a stop-watch facility |
| 9102.21 | 000 | With automatic winding |
| 91.03 | | Clocks with watch movements, excluding clocks of heading 91.04 |