Psophometer from China
A psophometer measures weighted noise in telephone circuits using the psophometric curve for standardized audio assessment. It is explicitly listed as an example under tariff item 9030.40.00.
Duty Rate — China → Canada
0%
Import Tips
• Include the psophometer's compliance with ITU-T recommendations in your documentation
• Ensure the device is clearly labeled as telecom-specific to avoid misclassification
• Verify if the instrument requires any Canadian calibration certifications