Sound Level Calibrator from Canada
Portable acoustic device generating precise 94/114 dB tones at 1kHz for field calibration of sound level meters in occupational safety. Classified HTS 9027.89.80.90 for sound measuring apparatus. Meets IEC 60942 Class 1 standards.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include NIST/ILAC calibration certificates valid for US safety compliance
• Specify as standalone calibrator, not integrated dosimeter accessory
• Avoid classification with microphones under parts headings