Wireless Hygrograph Chart Recorder from Mexico
Battery-powered hygrograph that records relative humidity levels on rotating paper charts using a hair tension or capacitive sensor mechanism. It qualifies for HTS 9025.80.40.00 as a hygrograph, a recording instrument specifically identified for humidity monitoring in labs and greenhouses.
Duty Rate — Mexico → United States
11%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Demonstrate humidity recording via charts or digital output logs to avoid reclassification as non-recording hygrometers
• Specify sensor type (hair/capacity) in invoices; capacitive types may face electronics scrutiny
• For wireless models, include FCC compliance docs for radio frequency components