Pneumatic pH Control System for Chemical Processing from Japan
This pneumatic pH control system automatically adjusts chemical process pH using pneumatic valve control based on continuous sensor feedback in industrial reactors. As a pneumatic automatic regulating instrument, it falls under tariff item 9032.81.00.
Duty Rate — Japan → Canada
0%
Import Tips
• Verify that the pH sensor is pneumatic; if it uses electrical sensors, the system may be classified under 9032.89.00
• Provide a full system description to CBSA, including the control loop
• Consider whether the system includes a separate pH meter, which may be classified under heading 90.26