Compass Calibration Coil Assembly
Electromagnetic coil assembly used to calibrate and compensate direction finding compasses under 9014.20.80 by generating controlled magnetic fields. Critical accessory for maintaining accuracy in gyrocompass systems. Classified as a part suitable principally for these navigational appliances.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sold as standalone inductors
Electrical transformers/inductors classify separately if not dedicated compass accessories.
If for general oscilloscopes/test instruments
Calibration coils for measuring instruments fall under 9030 if not navigational.
If as industrial valves/appliances
Other appliance parts if multifunctional beyond navigation.
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Import Tips & Compliance
• Include calibration procedure manuals linking to specific 9014.20.80 compass models
• Avoid bulk import without end-use statements to prevent general electrical parts classification
• Test for magnetic field strength compliance with navigational safety standards
Related Products under HTS 9014.90.20.80
GPS Antenna for Marine Navigational Compasses
A high-precision GPS antenna designed specifically for direction finding compasses used in marine navigation systems under subheading 9014.20.80. It receives satellite signals to enhance compass accuracy for vessel positioning. Classified as a part due to its principal use with these navigational instruments, per Chapter 90 note 2(b).
Digital Fluxgate Sensor Module
Compact fluxgate sensor module for integration into direction finding compasses of subheading 9014.20.80, providing electronic magnetic field detection. Essential for modern digital compass heading calculations in aviation and maritime use. Fits as a dedicated accessory per Chapter 90 classification rules.
Navigational Compass Mounting Bracket
Precision-machined aluminum mounting bracket designed exclusively for installing direction finding compasses of subheading 9014.20.80 on aircraft or ship bulkheads. Ensures vibration-resistant alignment for accurate heading. Qualifies as accessory principally used with these instruments.
Inclinometer Sensor for Nav Compasses
MEMS-based inclinometer sensor compensating for pitch/roll in direction finding compasses under 9014.20.80, vital for dynamic platforms like boats. Provides tilt data to correct magnetic heading errors. Dedicated part per Chapter 90 note 2(b).
Compass Interface Control Board
Printed circuit board with signal processing for interfacing direction finding compasses of 9014.20.80 with shipboard systems like autopilot. Handles data output protocols like NMEA 0183. Essential electronic accessory for these navigational instruments.
Magnetic Declination Adjustment Potentiometer
Precision potentiometer for manual or automatic magnetic declination correction in 9014.20.80 direction finding compasses. Allows field adjustment for geographic variation. Specialized component principally for these navigational devices.