Psychrometer Wet Bulb Thermometer Sleeve from Mexico
Porous wick sleeve for wet bulb thermometer in sling psychrometers measuring relative humidity via evaporation. Cotton or synthetic mesh maintains constant water film. HTS 9025.90.06.00 as psychrometer-specific accessory.
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
• Specify wick material absorbency rates for psychrometer validation
• Include usage instructions showing assembly with dry bulb thermometer