Psychrometer Wet Bulb Thermometer Sleeve from United States
A porous wick sleeve for the wet bulb thermometer in sling psychrometers, used to measure relative humidity via evaporation. Made of cotton or synthetic mesh, it maintains a constant water film for accurate readings.
Duty Rate — United States → Canada
0%
Import Tips
• Classify the wick sleeve as a part of a psychrometer under tariff item 9025.90.00
• Ensure it is not classified as a textile article under Section XI, as it is specifically designed for psychrometer use
• Provide documentation showing its role in the psychrometer's humidity measurement function