| Chapter Code | Chapter Description |
|---|
| 902730 | SPECTROMETERS, SPECTROPHOTOMETERS AND SPECTROGRAPHS USING OPTICAL RADIATIONS (UV, VISIBLE, IR) |
| 902750 | OTHER INSTRUMENTS AND APPARATUS USING OPTICAL RADIATIONS (UV, VISIBLE, IR) |
| 902780 | OTHER INSTRUMENTS AND APPARATUS |
| 902790 | MICROTOMES; PARTS AND ACCESSORIES |
| 902810 | GAS METERS |
| 902820 | LIQUID METERS |
| 902830 | ELECTRICITY METERS |
| 902910 | REVOLUTION COUNTERS, PRODUCTION COUNTERS, TAXIMETERS, MILEOMETERS, PEDOMETERS AND THE LIKE |