Chapter 90

Optical, photographic, cinematographic, measuring, checking, medical or surgical instruments and apparatus; parts and accessories

9016 Balances; of a sensitivity of 5cg or better, with or without weights 1
9019 Mechano-therapy, massage appliances; psychological aptitude testing apparatus; ozone, oxygen, aerosol therapy, artificial respiration or other therapeutic respiration apparatus 2
9020 Breathing appliances and gas masks; excluding protective masks having neither mechanical parts nor replaceable filters and excluding apparatus of item no. 9019.20 1
9022 Apparatus based on the use of x-rays or of alpha, beta, gamma or other ionising radiations, whether or not for medical, surgical, dental or veterinary uses, including radiography or radiotherapy apparatus, x-ray tubes and other x-ray generators, high tens 8
9023 Instruments, apparatus and models, designed for demonstrational purposes (in education or exhibitions), unsuitable for other uses 1
9030 Instruments, apparatus for measuring, checking electrical quantities not meters of heading no. 9028; instruments, apparatus for measuring or detecting alpha, beta, gamma, x-ray, cosmic and other radiations 11
9033 Machines and appliances, instruments or apparatus of chapter 90; parts and accessories n.e.c. in chapter 90 1