Calibration Jig for Ionization Chamber Testing from Canada
Precision test fixture verifying ionization chamber sensitivity during manufacturing. Uses known radiation sources to calibrate smoke detection threshold. HTS 9022.90.70.00 as accessory for ionizing smoke apparatus quality control.
Duty Rate — Canada → United States
11%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include NIST-traceable calibration certificates
• Declare as 'manufacturing test equipment' for potential duty relief
• Specify test voltage/current parameters