Handheld Electrical Dissolved Oxygen Meter from Mexico
Galvanic cell electrical sensor measuring DO levels in water for environmental and aquarium use. Fits HTS 9027.89.45.90 as other electrical chemical analysis apparatus. Compensates for salinity and temperature.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Membrane replacement kits should be separate to avoid set classification
• Specify probe type (galvanic/polarographic) in declarations
• Validate against Winkler titration method standards