Hydrometers and similar floating instruments, barometers, hygrometers, psychrometers, thermometers, pyrometers; recording or not, any combination of these instruments, parts and accessories
HS v2022 Code: 902590
About hydrometers and similar floating instruments, barometers, hygrometers, psychrometers, thermometers, pyrometers; recording or not, any combination of these instruments, parts and accessories
HS code 902590 covers a diverse range of scientific and measuring instruments used across various industries. These instruments, which include hydrometers, barometers, hygrometers, psychrometers, thermometers, and pyrometers, play a crucial role in monitoring and controlling environmental conditions, ensuring product quality, and supporting research and development activities. The global market for these instruments is driven by the increasing demand for precision measurement and monitoring in industries such as 310000 Chemical and Allied Industries, 330000 Perfumery, Cosmetic or Toilet Preparations, and 840000 Nuclear Reactors, Boilers, Machinery and Mechanical Appliances; Parts Thereof.
Production process
The production of the instruments covered under HS code 902590 typically involves a combination of precision engineering, advanced materials, and specialized manufacturing techniques. Manufacturers often utilize computer-aided design (CAD) software and computer numerical control (CNC) machining to ensure the accurate fabrication of intricate components. The assembly process may involve the integration of electronic sensors, display units, and data processing capabilities, depending on the specific type of instrument. Quality control measures, such as calibration and testing, are crucial to ensure the accuracy and reliability of these instruments.
Production inputs
The main inputs required for the production of instruments under HS code 902590 include specialized materials such as glass, metals (e.g., stainless steel, aluminum), and electronic components (e.g., sensors, microprocessors, displays). Manufacturers may also rely on precision tools, measurement equipment, and specialized software for design, simulation, and production. Additionally, skilled labor, including engineers, technicians, and assembly workers, is essential for the successful manufacture of these instruments.
Production outputs
The instruments covered under HS code 902590 are used across a wide range of industries, including 310000 Chemical and Allied Industries, 330000 Perfumery, Cosmetic or Toilet Preparations, 840000 Nuclear Reactors, Boilers, Machinery and Mechanical Appliances; Parts Thereof, and 860000 (Railway or Tramway Locomotives, Rolling-Stock and Parts Thereof; Railway or Tramway Track Fixtures and Fittings and Parts Thereof; Mechanical (Including Electro-Mechanical) Traffic Signalling Equipment of All Kinds). These instruments are essential for monitoring and controlling environmental conditions, ensuring product quality, and supporting research and development activities.
Revisions to 902590
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 902590. The most recent 1 version of this code (902590) is in the HS v2022 system (this version):
This page shows the most recent version of code 902590.
Family tree for hydrometers and similar floating instruments, barometers, hygrometers, psychrometers, thermometers, pyrometers; recording or not, any combination of these instruments, parts and accessories
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/v2022/9025'>9025: Hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not</a>"] B --> C["<a href='/classifications/hs/v2022/902590'>902590: Hydrometers and similar floating instruments, barometers, hygrometers, psychrometers, thermometers, pyrometers; recording or not, any combination of these instruments, parts and accessories</a>"] B --> D["<a href='/classifications/hs/v2022/902511'>902511: Thermometers and pyrometers; liquid filled, for direct reading, not combined with other instruments</a>"] B --> E["<a href='/classifications/hs/v2022/902519'>902519: Thermometers and pyrometers; (other than liquid filled, for direct reading), not combined with other instruments</a>"] B --> F["<a href='/classifications/hs/v2022/902580'>902580: Hydrometers and similar floating instruments, barometers, hygrometers, psychrometers, thermometers, pyrometers; recording or not, any combination of these instruments (excluding thermometers and barometers not combined with other instruments)</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 level6 class D level6 class E level6 class F 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