Calibrating Resistor Network for Electricity Meters from Mexico
Precision resistor network used in electricity meters for calibrating current and voltage measurement circuits to ensure accuracy standards. This accessory is specifically for calibrating electricity supply meters, thus under HTS 9028.90.00.40. Vital for maintaining metrological compliance in billing systems.
Duty Rate — Mexico → United States
10%
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
• Provide calibration certificates traceable to NIST standards in import docs
• Specify tolerance values (e.g
• 0.1%) and meter model references to justify classification
• Bundle with meter calibration protocols to avoid treatment as general resistors