Humidity Control Systems for Cleanrooms
Automatic controllers that regulate humidifiers and dehumidifiers to maintain precise relative humidity levels in pharmaceutical cleanrooms via sensor feedback. These instruments continuously measure and adjust humidity, qualifying as automatic environmental control instruments under tariff item 9032.89.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is primarily a hygrometer for measuring humidity
Hydrometers and similar floating instruments are classified in heading 90.25 when their primary function is measurement rather than control.
If the system is presented as a complete humidification machine
Machines having individual functions are classified in heading 84.79 when they are not more specifically covered by other headings.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Document the sensor feedback mechanism to support classification as an automatic regulating instrument
• Verify compliance with Canadian cleanroom standards and pharmaceutical regulations
• Provide CBSA with technical specifications showing automatic humidity control
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