Psychrometer Sling Type from Mexico
A traditional sling psychrometer consisting of wet and dry bulb thermometers used to calculate relative humidity by evaporation cooling. Classified under HTS 9025.80.35.00 as a non-recording psychrometer for manual humidity measurement in meteorology and labs. It requires user calculation from temperature differentials.
Duty Rate — Mexico → United States
11.4%
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
Import Tips
• Provide proof of manual operation only; electronic versions may shift to other subheadings
• Ensure thermometers meet material standards excluding glass technical wares per Chapter 90 note 1(c)
• Declare as complete instrument, not parts, to avoid 9033 classification