Photoacoustic Gas Monitor

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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

9027.90.56Same rate: 35%

If using thermal conductivity detection

Non-optical multi-gas analyzers classify differently.

8518.90.20.00Same rate: 35%

If with dominant microphone/audio components

Microphone-centric devices risk audio equipment classification.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Specify optical chopper/modulator frequency in technical specs

Include microphone sensitivity calibration certificates