Optical Micrometer Collimator Assembly
Adjustable collimator tube assembly for non-contact optical micrometers (9031.41) that aligns the laser beam path for accurate distance measurement. Contains precision optics and mounting hardware specific to these gauging instruments. Falls under 9031.90.54.00 as a dedicated part for listed subheadings.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If optics sold separately from mounting hardware
Individual optical elements disassembled from assemblies may classify as general lenses under 9002
If parts suitable for multiple instrument types
Chapter 90 note 2(c) sends universal accessories to 9033
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Import Tips & Compliance
• Declare beam divergence specs and wavelength compatibility; ensure cleanroom packaging certification; avoid bulk shipments that trigger general machine part classification
Related Products under HTS 9031.90.54.00
Laser Alignment Lens for Optical Micrometer
Precision-ground optical lens used in laser micrometers (HTS 9031.41) for focusing the laser beam to measure object dimensions with micron accuracy. This component is specifically designed as a replacement part for these optical measuring instruments. It falls under 9031.90.54.00 as a part of optical instruments in subheading 9031.41.
Profile Projector Stage Micrometer
High-precision glass slide with etched scale mounted on profile projector worktables (9031.49.70) for stage calibration and measurement verification. Essential accessory for ensuring dimensional accuracy in optical comparators. Classified under 9031.90.54.00 as a part specific to these optical inspection instruments.
Optical Micrometer Cooling Heatsink Assembly
Extruded aluminum heatsink with integral fan mount for thermal management of high-power laser micrometer detectors (9031.41). Maintains optical stability during continuous measurement. Thermal part of 9031.90.54.00.
Profile Projector LED Illuminator Module
High-intensity LED ring light module for profile projectors (9031.49.70) providing uniform edge illumination for silhouette measurement. Designed with specific heat sinking and optics integration for these optical comparators. Classified in 9031.90.54.00 as an instrument-specific light source.
Optical Linear Scale Reader Head
Compact optical sensor head for reading glass or steel linear scales in coordinate measuring systems incorporating 9031.41 micrometers. Provides digital position feedback essential for precision measurement. Part of 9031.90.54.00 for specified optical instruments.
Laser Micrometer Beam Splitter Prism
Specialized dichroic prism that splits laser measurement and reference beams in dual-axis optical micrometers (9031.41). Ensures measurement accuracy through precise beam separation. Specific part for listed subheading classifies under 9031.90.54.00.