| Chapter Code | Chapter Description |
|---|
| 90275020 | OTHER INSTRUMENTS AND APPARATUS USING OPTICAL RADIATIONS (UV, VISIBLE, IR) : REFRACTOMETERS |
| 90299000 | SPEED INDICATORS AND TACHOMETERS; STROBOSCOPES : PARTS AND ACCESSORIES |
| 90292090 | SPEED INDICATORS AND TACHOMETERS; STROBOSCOPES : OTHER |
| 90268090 | OTHER INSTRUMENTS OR APPARATUS : OTHER |
| 90273090 | SPECTROMETERS, SPECTROPHOTOMETERS AND SPECTROGRAPHS USING OPTICAL RADIATIONS (UV, VISIBLE, IR) : OTHER |
| 90275010 | OTHER INSTRUMENTS AND APPARATUS USING OPTICAL RADIATIONS (UV, VISIBLE, IR) : PHOTOMETERS |
| 90304000 | OTHER, WITHOUT A RECORDING DEVICE : OTHER INSTRUMENTS AND APPARATUS, SPECIALLY DESIGNED FOR TELECOMMUNICATIONS (FOR EXAMPLE, CROSS-TALK METERS, GAIN MEASURING INSTRUMENTS, DISTORTION FACTOR METERS, PSOPHOMETERS) |
| 90303900 | OTHER, WITHOUT A RECORDING DEVICE : OTHER, WITH A RECORDING DEVICE |