Instruments and apparatus; for physical or chemical analysis (e.g. polarimeters, spectrometers), for measuring or checking viscosity, porosity, etc, for measuring quantities of heat, sound or light

HS v2017 Code: 9027

Chapter	Heading	Sub-heading
90	27	n/a

Code	9027
Version	HS v2017
Hierarchy Level	4
Datasource	WCO
Chapter	90

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

This Code: Instruments and apparatus; for physical or chemical analysis (e.g. polarimeters, spectrometers), for measuring or checking viscosity, porosity, etc, for measuring quantities of heat, sound or light

Child Codes: Instruments and apparatus; using optical radiations (UV, visible, IR), (other than spectrometers, spectrophotometers and spectrographs); Microtomes and parts and accessories thereof; Chromatographs and electrophoresis instruments; Instruments and apparatus; gas or smoke analysis apparatus, for physical or chemical analysis; Spectrometers, spectrophotometers and spectrographs; using optical radiations (UV, visible, IR); Instruments and apparatus; for physical or chemical analysis, for measuring or checking viscosity, porosity, expansion, surface tension or quantities of heat, sound or light, n.e.c. in heading no. 9027

Sibling Codes (Nearest 5): Machines and appliances for testing the hardness, strength, compressibility, elasticity of other mechanical properties of materials (e.g. metals, wood, textiles, paper, plastics); Hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not; Instruments, apparatus for measuring or checking the flow, level, pressure of liquids, gases (e.g. flow meters, heat meters etc), not instruments and apparatus of heading no. 9014, 9015, 9028 or 9032; Gas, liquid or electricity supply or production meters, including calibrating meters therefor; Revolution counter, production counters, taximeters, mileometers, pedometers and the like, speed indicators and tachometers, other than those of heading no. 9015, stroboscopes

About instruments and apparatus; for physical or chemical analysis (e.g. polarimeters, spectrometers), for measuring or checking viscosity, porosity, etc, for measuring quantities of heat, sound or light

hs code 9027 covers a diverse range of scientific instruments and apparatus used for physical and chemical analysis, as well as for measuring various properties and quantities. These instruments play a crucial role in industries such as manufacturing, research, and quality control, enabling precise measurements and data collection that drive innovation and ensure product quality. The global market for these specialized instruments is substantial, with applications spanning numerous sectors, from healthcare and environmental monitoring to materials science and energy production.

Production process

The production of instruments and apparatus covered under hs code 9027 typically involves a combination of precision engineering, advanced electronics, and specialized manufacturing techniques. Depending on the specific instrument, the manufacturing process may include the fabrication of optical components, the assembly of electronic circuits, and the integration of various sensors and measurement systems. Many of these instruments also require calibration and testing to ensure accuracy and reliability.

Production inputs

The main inputs required for the production of hs code 9027 instruments and apparatus include high-quality raw materials such as optical components (e.g., lenses, mirrors, prisms), electronic components (e.g., microprocessors, sensors, displays), and specialized mechanical parts. Additionally, these industries rely on advanced manufacturing equipment, including CNC machines, precision assembly tools, and specialized testing and calibration equipment. Skilled technicians and engineers are also essential for the design, development, and production of these specialized instruments.

Production outputs

The instruments and apparatus covered under hs code 9027 are used in a wide range of industries and applications, including 9026 Instruments and apparatus for measuring or checking the flow, level, pressure or other variables of liquids or gases, 9025 Hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and any combination of these instruments, and 9031 Measuring or checking instruments, appliances and machines, not elsewhere specified or included; profile projectors. These instruments provide critical data and analysis that support research, quality control, and process optimization across various sectors, contributing to advancements in science, technology, and industrial efficiency.

Family tree for instruments and apparatus; for physical or chemical analysis (e.g. polarimeters, spectrometers), for measuring or checking viscosity, porosity, etc, for measuring quantities of heat, sound or light

    graph LR
    A["<a href='/classifications/hs/v2017/90'>90: Optical, photographic, cinematographic, measuring, checking, medical or surgical instruments and apparatus; parts and accessories</a>"]
A --> B["<a href='/classifications/hs/v2017/9027'>9027: Instruments and apparatus; for physical or chemical analysis (e.g. polarimeters, spectrometers), for measuring or checking viscosity, porosity, etc, for measuring quantities of heat, sound or light</a>"]

    A --> C["<a href='/classifications/hs/v2017/9001'>9001: Optical fibres and optical fibre bundles; optical fibre cables not of heading no. 8544; sheets, plates of polarising material; lenses, prisms, mirrors, of any material; unmounted; not non optical glass</a>"]
A --> D["<a href='/classifications/hs/v2017/9002'>9002: Lenses, prisms, mirrors and other optical elements, of any material, mounted, being parts or fittings for instruments or apparatus, other than such elements of glass not optically worked</a>"]
A --> E["<a href='/classifications/hs/v2017/9003'>9003: Frames and mountings; for spectacles, goggles or the like, and parts</a>"]
A --> F["<a href='/classifications/hs/v2017/9004'>9004: Spectacles, goggles and the like; corrective, protective or other</a>"]
A --> G["<a href='/classifications/hs/v2017/9005'>9005: Binoculars, monoculars, other optical telescopes, mountings therefore; other astronomical instruments, mountings therefore, but not including instruments for radio-astronomy</a>"]
A --> H["<a href='/classifications/hs/v2017/9006'>9006: Cameras, photographic (excluding cinematographic); photographic flashlight apparatus and flashbulbs other than discharge lamps of heading no. 8539</a>"]
A --> I["<a href='/classifications/hs/v2017/9007'>9007: Cinematographic cameras and projectors, whether or not incorporating sound recording or reproducing apparatus</a>"]
A --> J["<a href='/classifications/hs/v2017/9008'>9008: Image projectors, other than cinematographic; photographic (other than cinematographic) enlargers and reducers</a>"]
A --> K["<a href='/classifications/hs/v2017/9010'>9010: Photographic (including cinematographic) laboratory apparatus and equipment, n.e.c. in chapter 90; negatoscopes; projection screens</a>"]
A --> L["<a href='/classifications/hs/v2017/9011'>9011: Microscopes, compound optical; including those for photomicrography, cinephotomicrography or microprojection</a>"]
A --> M["<a href='/classifications/hs/v2017/9012'>9012: Microscopes (excluding optical microscopes); diffraction apparatus</a>"]
A --> N["<a href='/classifications/hs/v2017/9013'>9013: Liquid crystal devices not constituting articles provided for more specifically in other headings; lasers, not laser diodes; other optical appliances and instruments n.e.c. in this chapter</a>"]
A --> O["<a href='/classifications/hs/v2017/9014'>9014: Navigational instruments and appliances; direction finding compasses</a>"]
A --> P["<a href='/classifications/hs/v2017/9015'>9015: Surveying (including photogrammetrical surveying), hydrographic, oceanographic, hydrological, meteorological or geophysical instruments and appliances, excluding compasses, rangefinders</a>"]
A --> Q["<a href='/classifications/hs/v2017/9016'>9016: Balances; of a sensitivity of 5cg or better, with or without weights</a>"]
A --> R["<a href='/classifications/hs/v2017/9017'>9017: Drawing, marking-out, mathematical calculating instruments (drafting machines, protractors, drawing sets etc); instruments for measuring length (e.g. measuring rods, tapes, micrometers, callipers) n.e.c.</a>"]
A --> S["<a href='/classifications/hs/v2017/9018'>9018: Instruments and appliances used in medical, surgical, dental or veterinary sciences, including scintigraphic apparatus, other electro-medical apparatus and sight testing instruments</a>"]
A --> T["<a href='/classifications/hs/v2017/9019'>9019: Mechano-therapy, massage appliances; psychological aptitude testing apparatus; ozone, oxygen, aerosol therapy, artificial respiration or other therapeutic respiration apparatus</a>"]
A --> U["<a href='/classifications/hs/v2017/9020'>9020: Breathing appliances and gas masks; excluding protective masks having neither mechanical parts nor replaceable filters and excluding apparatus of item no. 9019.20</a>"]
A --> V["<a href='/classifications/hs/v2017/9021'>9021: Orthopaedic appliances; including crutches, surgical belts and trusses; splints and other fracture appliances; artificial parts of the body; hearing aids and other which are worn, carried or implanted in the body to compensate for a defect or disability</a>"]
A --> W["<a href='/classifications/hs/v2017/9022'>9022: X-ray, alpha, beta, gamma radiation apparatus; x-ray tubes, x-ray generators, high tension generators, control panels and desks, screens, examination or treatment tables, chairs and the like</a>"]
A --> X["<a href='/classifications/hs/v2017/9023'>9023: Instruments, apparatus and models, designed for demonstrational purposes (in education or exhibitions), unsuitable for other uses</a>"]
A --> Y["<a href='/classifications/hs/v2017/9024'>9024: Machines and appliances for testing the hardness, strength, compressibility, elasticity of other mechanical properties of materials (e.g. metals, wood, textiles, paper, plastics)</a>"]
A --> Z["<a href='/classifications/hs/v2017/9025'>9025: Hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not</a>"]
A --> BA["<a href='/classifications/hs/v2017/9026'>9026: Instruments, apparatus for measuring or checking the flow, level, pressure of liquids, gases (e.g. flow meters, heat meters etc), not instruments and apparatus of heading no. 9014, 9015, 9028 or 9032</a>"]
A --> BB["<a href='/classifications/hs/v2017/9028'>9028: Gas, liquid or electricity supply or production meters, including calibrating meters therefor</a>"]
A --> BC["<a href='/classifications/hs/v2017/9029'>9029: Revolution counter, production counters, taximeters, mileometers, pedometers and the like, speed indicators and tachometers, other than those of heading no. 9015, stroboscopes</a>"]
A --> BD["<a href='/classifications/hs/v2017/9030'>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</a>"]
A --> BE["<a href='/classifications/hs/v2017/9031'>9031: Measuring or checking instruments, appliances and machines, n.e.c. or included in this chapter; profile projectors</a>"]
A --> BF["<a href='/classifications/hs/v2017/9032'>9032: Regulating or controlling instruments and apparatus; automatic type</a>"]
A --> BG["<a href='/classifications/hs/v2017/9033'>9033: Machines and appliances, instruments or apparatus of chapter 90; parts and accessories n.e.c. in chapter 90</a>"]

    B --> BH["<a href='/classifications/hs/v2017/902710'>902710: Instruments and apparatus; gas or smoke analysis apparatus, for physical or chemical analysis</a>"]
B --> BI["<a href='/classifications/hs/v2017/902720'>902720: Chromatographs and electrophoresis instruments</a>"]
B --> BJ["<a href='/classifications/hs/v2017/902730'>902730: Spectrometers, spectrophotometers and spectrographs; using optical radiations (UV, visible, IR)</a>"]
B --> BK["<a href='/classifications/hs/v2017/902750'>902750: Instruments and apparatus; using optical radiations (UV, visible, IR), (other than spectrometers, spectrophotometers and spectrographs)</a>"]
B --> BL["<a href='/classifications/hs/v2017/902780'>902780: Instruments and apparatus; for physical or chemical analysis, for measuring or checking viscosity, porosity, expansion, surface tension or quantities of heat, sound or light, n.e.c. in heading no. 9027</a>"]
B --> BM["<a href='/classifications/hs/v2017/902790'>902790: Microtomes and parts and accessories thereof</a>"]


    %% Color coordination by level

    classDef level1 color:#000,fill:#a8f9ff,stroke:#333,stroke-width:2px
    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level4
class D level4
class E level4
class F level4
class G level4
class H level4
class I level4
class J level4
class K level4
class L level4
class M level4
class N level4
class O level4
class P level4
class Q level4
class R level4
class S level4
class T level4
class U level4
class V level4
class W level4
class X level4
class Y level4
class Z level4
class BA level4
class BB level4
class BC level4
class BD level4
class BE level4
class BF level4
class BG level4
class BH level6
class BI level6
class BJ level6
class BK level6
class BL level6
class BM level6

  class B highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class B highlight