Photographic Darkroom Enlarger Timer from Mexico
Precision quartz timer with f-stop calculator for controlling enlarger exposure times in professional darkrooms. Classified under HTS 9107.00.80.00 as a valued-over-$5 time switch for electrical enlarger operation.
Duty Rate — Mexico → United States
16.4%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document f-stop accuracy specifications; ensure darkroom/professional end-use
• UL lab equipment safety certification needed
• Distinguish from camera timers under Chapter 90