9030.40.00.00/Psophometer/Japan

Psophometer from Japan

Psophometers measure weighted noise in telephone circuits using the psophometric curve for standardized audio assessment. Specifically listed under HTS 9030.40.00.00 for telecommunications noise measurement.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Calculate with your customs value Verify classification with AI

Import Tips

• Reference ITU-T O.41 standard in documentation to substantiate telecom classification

• Calibrate to international standards before import to prevent disputes