| 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: | | | | |
| 9030 | | Oscilloscopes, spectrum analyzers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionizing radiations; parts and accessories thereof: | | | | |
| 9030.10.00 | 00 | Instruments and apparatus for measuring or detecting ionizing radiations | No. | 1.6% | Free (A,AU,BH,C, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 40% |
| 9030.31.00 | 00 | Other instruments and apparatus, for measuring or checking voltage, current, resistance or power: | | | | |
| 9030.33.00 | 40 | For measuring or checking voltage, current or resistance | X | | | |
| 9030.40.00 | 00 | Other instruments and apparatus, specially designed for telecommunications (for example, cross-talk meters, gain measuring instruments, distortion factor meters, psophometers) | X | Free | | 40% |
| 9030.82.00 | 00 | For measuring or checking semiconductor wafers or devices | No. | Free | | 40% |
| 9031 | | Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof: | | | | |
| 9031.41.00 | | For inspecting semiconductor wafers or devices or for inspecting photomasks or reticles used in manufacturing semiconductor devices | | Free | | 50% |
| 9031.41.00 | 20 | For inspecting photomasks or reticles used in manufacturing semiconductor devices | No. | | | |
| 9031.49.40 | 00 | Coordinate-measuring machines | No. | 3.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 50% |
| 9031.49.70 | 00 | For inspecting masks (other than photomasks) used in manufacturing semiconductor devices; for measuring surface particulate contamination on semiconductor devices | No. | Free | | 50% |
| 9031.90.45 | 00 | Bases and frames for the coordinate-measuring machines of subheading 9031.49.40 | X | 3.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 50% |
| 9101.29.30 | | With movement measuring not over 15.2 mm | | $2.28 each + 5% on the case and strap, band or bracelet | Free (AU,BH,CA, CL,D,E,IL,J,J+,JO, MA,MX,P, R,SG) | $4.75 each + 45% on the case + 80% on the strap, band or bracelet |
| 9101.29.40 | | With movement measuring over 15.2 mm | | $1.92 each + 5% on the case and strap, band or bracelet | Free (AU,BH,CA,D, E,IL,J,J+,JO, MA,MX,P,R) 72￠/each + 1.8% on the case and strap, band or bracelet (CL,SG) | $4.75 each + 45% on the case + 80% on the strap, band or bracelet |
| 9102.29.25 | | With movement measuring not over 15.2 mm: | | | | |
| 9102.29.35 | | With movement measuring over 15.2 mm: | | | | |
| 9104.00.05 | | With clock movements measuring over 50 mm in width or diameter: | | | | |
| 9105.19.10 | | With movement measuring not over 50 mm in width or diameter: | | | | |
| 9105.29.10 | | With movement measuring not over 50 mm in width or diameter: | | | | |
| 9105.99.10 | 00 | Standard marine chronometers having spring-detent escapements | No. Jwls. | 17￠/each + 2.5% + 1￠/jewel | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P, SG) | $4.50 each + 65% + 25￠/jewel |
| 9105.99.20 | | Other, with movement measuring not over 50 mm in width or diameter: | | | | |
| 9106 | | Time of day recording apparatus and apparatus for measuring, recording or otherwise indicating intervals of time, with clock or watch movement or with synchronous motor (for example, time registers, time-recorders): | | | | |
| 9106.90.55 | | Apparatus for measuring, recording, or otherwise indicating intervals of time, with clock or watch movements, battery powered: | | | | |
| 9106.90.75 | 00 | Apparatus for measuring, recording or otherwise indicating intervals of time, with clock or watch movements, AC powered and with opto-electronic display only | No. | 3.9% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | $4.50 each + 65% |
