Ionization Smoke Detector Sound Chamber Assembly from Germany
Acoustic chamber optimized for 85dB alarm tone in ionization-type detectors. Classified HTS 9022.90.70.00 as integral part amplifying radiation detection alerts. Frequency-matched to human hearing response curve.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Certify to UL 464 fire alarm appliance standards
• Measure SPL at 10ft per ANSI S1.2 for documentation
• Specify ionization model compatibility exclusively