LED Illuminator Module for Coordinate Measuring Machines
High-intensity LED module providing uniform backlighting for coordinate measuring machines (CMMs) with optical sensors. Classified under HTS 9031.90.59.00 as an accessory for other optical checking instruments in this chapter. Essential for silhouette edge detection in precision metrology applications.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for specific profile projectors or other named 9031 subheadings
Parts for particular instruments in other 9031 subheadings classified there per note 2(a).
If used as general industrial LED lighting
Lighting not principally for measuring optical instruments falls to Chapter 94 lighting fixtures.
If for parts of automatic data processing machines with optical sensors
If principally for ADP machines (8471), classifies with those machines per Section XVI notes.
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Import Tips & Compliance
• Documentation must demonstrate principal use with optical CMMs; generic lighting excluded by Chapter 90 note 1(h)
• Include photometric specifications and mounting compatibility with specific 9031 instruments
Related Products under HTS 9031.90.59.00
Profile Projector Screen Reticle
Precision-etched glass reticle mounted in profile projector screens for measurement reference. Falls under HTS 9031.90.59.00 as accessory for optical checking instruments. Provides standardized scale for direct magnified measurement readout.
Fiber Optic Light Guide Bundle for Microscopes
Flexible coherent fiber bundle transmitting illumination to measuring microscope workpieces. Classified HTS 9031.90.59.00 as accessory for other optical measuring instruments. Maintains light intensity uniformity for consistent measurements.
Calibration Test Gage Block Holder
Precision kinematic mount holding gage blocks under optical microscopes for calibration verification. HTS 9031.90.59.00 covers this measuring instrument accessory. Ensures accurate positioning during length standard comparisons.
Interferometer Mirror Mount Assembly
Kinematic mirror mount for laser interferometer reference mirrors in length measuring systems. Falls under HTS 9031.90.59.00 as part for other optical measuring appliances. Provides sub-arcsecond alignment stability.
Autocollimator Objective Lens Cell
Precision cell housing objective lens assembly for autocollimator angle measuring instruments. HTS 9031.90.59.00 as part for other optical checking appliances. Thermal compensation design maintains alignment stability.
Optical Encoder Scale Reader Head
Compact read head assembly for glass or steel scale linear encoders in measuring instruments. Classified HTS 9031.90.59.00 as accessory for optical position checking systems. Provides 0.1 micron resolution position feedback.