Instruments and apparatus; for physical or chemical analysis, for measuring or checking viscosity, porosity, expansion, surface tension or quantities of heat, sound or light, mass spectrometers

HS v2022 Code: 902781

About instruments and apparatus; for physical or chemical analysis, for measuring or checking viscosity, porosity, expansion, surface tension or quantities of heat, sound or light, mass spectrometers

HS code 902781 covers a diverse range of analytical instruments and apparatus used for physical and chemical analysis, as well as for measuring various properties such as viscosity, porosity, expansion, surface tension, and quantities of heat, sound, or light. These specialized instruments play a crucial role in various industries, including scientific research, quality control, and process optimization, making them an essential part of the broader economy.

Production process

The production of instruments and apparatus covered under HS code 902781 typically involves a combination of precision engineering, advanced electronics, and specialized software development. Manufacturers often utilize computer-aided design (CAD) and computer-aided manufacturing (CAM) techniques to ensure the accurate and efficient production of these complex devices. The assembly process may involve the integration of various components, such as sensors, microprocessors, and display units, to create a functional and reliable analytical instrument.

Production inputs

The production of instruments and apparatus under HS code 902781 requires a range of inputs, including high-quality raw materials such as metals, plastics, and electronic components. Specialized machinery, such as precision machining tools and assembly lines, are also essential for the manufacturing process. Additionally, skilled technicians and engineers are needed to design, develop, and assemble these sophisticated instruments, ensuring their accuracy, reliability, and compliance with industry standards.

Production outputs

The instruments and apparatus covered under HS code 902781 are primarily used in various industries, including 902780 Instruments and apparatus for physical or chemical analysis and 902710 Gas or smoke analysis apparatus. These analytical instruments are crucial for monitoring and controlling production processes, ensuring product quality, and supporting scientific research and development across a wide range of sectors, such as healthcare, environmental monitoring, and materials science.

Revisions to 902781

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 902781. The most recent 1 version of this code (902781) is in the HS v2022 system (this version):

This page shows the most recent version of code 902781.

Family tree for instruments and apparatus; for physical or chemical analysis, for measuring or checking viscosity, porosity, expansion, surface tension or quantities of heat, sound or light, mass spectrometers

    graph LR
    A["<a href='/classifications/hs/v2022/90'>90: Optical, photographic, cinematographic, measuring, checking, medical or surgical instruments and apparatus; parts and accessories</a>"]
A --> B["<a href='/classifications/hs/v2022/9027'>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>"]
B --> C["<a href='/classifications/hs/v2022/902781'>902781: Instruments and apparatus; for physical or chemical analysis, for measuring or checking viscosity, porosity, expansion, surface tension or quantities of heat, sound or light, mass spectrometers</a>"]

    B --> D["<a href='/classifications/hs/v2022/902710'>902710: Instruments and apparatus; gas or smoke analysis apparatus, for physical or chemical analysis</a>"]
B --> E["<a href='/classifications/hs/v2022/902720'>902720: Chromatographs and electrophoresis instruments</a>"]
B --> F["<a href='/classifications/hs/v2022/902730'>902730: Spectrometers, spectrophotometers and spectrographs; using optical radiations (UV, visible, IR)</a>"]
B --> G["<a href='/classifications/hs/v2022/902750'>902750: Instruments and apparatus; using optical radiations (UV, visible, IR), (other than spectrometers, spectrophotometers and spectrographs)</a>"]
B --> H["<a href='/classifications/hs/v2022/902789'>902789: Instruments and apparatus; for physical or chemical analysis, for measuring or checking viscosity, porosity, expansion, surface tension or quantities of heat, sound or light, exposure meters</a>"]
B --> I["<a href='/classifications/hs/v2022/902790'>902790: Microtomes and parts and accessories thereof</a>"]

    

    %% Color coordination by level

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    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 level6
class D level6
class E level6
class F level6
class G level6
class H level6
class I level6

  class C 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 C highlight