Measuring or checking instruments, appliances and machines, n.e.c. or included in this chapter; profile projectors

HS v2017 Code: 9031

Chapter	Heading	Sub-heading
90	31	n/a

Code	9031
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: Measuring or checking instruments, appliances and machines, n.e.c. or included in this chapter; profile projectors

Child Codes: Machines; for balancing mechanical parts; Optical instruments and appliances; for measuring or checking, n.e.c. in chapter 90; Test benches; Instruments, appliances and machines; parts and accessories for those measuring or checking devices of heading no. 9031; Instruments, appliances and machines; for measuring or checking n.e.c. in chapter 90; Optical instruments and appliances; for inspecting semiconductor wafers or devices or for inspecting photomasks or reticles used in manufacturing semiconductor devices, n.e.c. in chapter 90

Sibling Codes (Nearest 5): 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; 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; Regulating or controlling instruments and apparatus; automatic type; Machines and appliances, instruments or apparatus of chapter 90; parts and accessories n.e.c. in chapter 90

About measuring or checking instruments, appliances and machines, n.e.c. or included in this chapter; profile projectors

hs code 9031 covers a diverse range of measuring, checking, and inspection instruments, appliances, and machines that are not classified elsewhere. These products play a crucial role in various industries, enabling precise measurements, quality control, and process optimization. From advanced metrology equipment used in manufacturing to specialized diagnostic tools in healthcare, the 9031 industry is a vital component of the broader economy, supporting innovation, efficiency, and safety across numerous sectors.

Production process

The production of 9031 instruments and appliances typically involves a combination of precision engineering, electronic assembly, and software development. Manufacturers often utilize computer-aided design (CAD) and computer-numerical-control (CNC) machining to fabricate intricate mechanical components. Electronic circuits and sensors are then integrated into the devices, with specialized firmware or software providing the necessary functionality and user interfaces. Rigorous testing and calibration procedures are essential to ensure the accuracy and reliability of these specialized instruments.

Production inputs

The 9031 industry relies on a range of inputs, including high-quality raw materials such as metals, plastics, and electronic components. Specialized machinery, such as CNC machines, assembly lines, and testing equipment, are also critical inputs. Additionally, the industry requires a skilled workforce with expertise in fields like mechanical engineering, electronics, and software development to design, manufacture, and maintain these sophisticated instruments and appliances.

Production outputs

The 9031 industry produces a wide array of measuring, checking, and inspection instruments, appliances, and machines that are used across various sectors. These outputs include 9027 Instruments and apparatus for physical or chemical analysis, 9015 Surveying, hydrographic, oceanographic, meteorological or geophysical instruments and appliances, and 9030 Measuring or checking instruments, appliances and machines, n.e.c. or included in this chapter. The products from the 9031 industry are essential for quality control, process optimization, and research and development in industries such as manufacturing, healthcare, and scientific research.

Family tree for measuring or checking instruments, appliances and machines, n.e.c. or included in this chapter; profile projectors

    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/v2017/9031'>9031: Measuring or checking instruments, appliances and machines, n.e.c. or included in this chapter; profile projectors</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/v2017/9027'>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 --> BC["<a href='/classifications/hs/v2017/9028'>9028: Gas, liquid or electricity supply or production meters, including calibrating meters therefor</a>"]
A --> BD["<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 --> BE["<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 --> 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/v2017/903110'>903110: Machines; for balancing mechanical parts</a>"]
B --> BI["<a href='/classifications/hs/v2017/903120'>903120: Test benches</a>"]
B --> BJ["<a href='/classifications/hs/v2017/903141'>903141: Optical instruments and appliances; for inspecting semiconductor wafers or devices or for inspecting photomasks or reticles used in manufacturing semiconductor devices, n.e.c. in chapter 90</a>"]
B --> BK["<a href='/classifications/hs/v2017/903149'>903149: Optical instruments and appliances; for measuring or checking, n.e.c. in chapter 90</a>"]
B --> BL["<a href='/classifications/hs/v2017/903180'>903180: Instruments, appliances and machines; for measuring or checking n.e.c. in chapter 90</a>"]
B --> BM["<a href='/classifications/hs/v2017/903190'>903190: Instruments, appliances and machines; parts and accessories for those measuring or checking devices of heading no. 9031</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