| 9022.90.40 | 00 | Of X-ray tubes | X | 0.9% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 9022.90.60 | 00 | Of apparatus based on the use of X-rays | X | 0.8% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 9023.00.00 | 00 | Instruments, apparatus and models, designed for demonstrational purposes (for example, in education or exhibitions), unsuitable for other uses, and parts and accessories thereof | X | Free | | Free |
| 9025 | | Hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and any combination of these instruments; parts and accessories thereof: | | | | |
| 9025.11 | | Thermometers and pyrometers, not combined with other instruments: | | | | |
| 9025.11 | | Liquid-filled, for direct reading: | | | | |
| 9025.80 | | Other instruments: | | | | |
| 9025.80.15 | 00 | Barometers, not combined with other instruments | No. | 1% | Free (A,AU,BH,C, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 40% |
| 9025.80.20 | 00 | Hydrometers and similar floating instruments, whether or not incorporating a thermometer, non-recording | No. | 2.9% | Free (A,AU,BH,C, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 85% |
| 9025.80.40 | 00 | Thermographs, barographs, hygrographs and other recording instruments | No. | 1% | Free (A,AU,BH,C, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 9026 | | Instruments and apparatus for measuring or checking the flow, level, pressure or other variables of liquids or gases (for example, flow meters, level gauges, manometers, heat meters), excluding instruments and apparatus of heading 9014, 9015, 9028 or 9032; parts and accessories thereof: | | | | |
| 9026.10 | | For measuring or checking the flow or level of liquids: | | | | |
| 9026.20 | | For measuring or checking pressure: | | | | |
| 9026.80 | | Other instruments and apparatus: | | | | |
| 9026.80.40 | 00 | Heat meters incorporating liquid supply meters, and anemometers | No. | Free | | $4.50 each + 65% |
| 9026.90.20 | 00 | Of electrical instruments and apparatus | X | Free | | 40% |
| 9026.90.40 | 00 | Of flow meters, heat meters incorporating liquid supply meters and anemometers | X | Free | | 65% |
| 9027 | | Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes; parts and accessories thereof: | | | | |
| 9027.10 | | Gas or smoke analysis apparatus: | | | | |
| 9027.10.40 | 00 | Optical instruments and apparatus | X | 3.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 50% |
| 9027.20 | | Chromatographs and electrophoresis instruments: | | | | |
| 9027.20.50 | 30 | Electrophoresis instruments | No. | | | |
| 9027.20.50 | 60 | Liquid chromatographs | No. | | | |
| 9027.20.80 | 60 | Liquid chromatographs | No. | | | |
| 9027.30 | | Spectrometers, spectrophotometers and spectrographs using optical radiations (ultraviolet, visible, infrared): | | | | |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
