Photoacoustic Gas Monitor from Mexico
Infrared photoacoustic spectroscopy analyzer detecting multiple trace gases through sound wave generation in modulated light-absorbed gas. Optical modulation classifies under HTS 9027.10.40.00.
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 optical chopper/modulator frequency in technical specs
• Include microphone sensitivity calibration certificates