Digital Vacuum Manostat from China
A digital manostat designed to automatically regulate and maintain vacuum pressure levels within laboratory systems by continuously monitoring and adjusting pressure to a set value. It falls under HTS 9032.20.00.00 as it precisely matches the definition of manostats for automatic pressure control of gases, stabilizing against disturbances through periodic measurement. Commonly used in vacuum filtration and drying processes.
Duty Rate — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Import Tips
• Verify the device automatically measures and maintains pressure via feedback loop to confirm 9032 classification; manual regulators go to 8481
• Provide technical specs and calibration certificates in entry docs to avoid misclassification as general valves or sensors