Profile Projector Objective Lens Assembly
Precision objective lens assembly designed specifically for profile projectors used in measuring and checking machine parts. It projects magnified images of contours onto a screen for accurate dimensional inspection. Classified under HTS 9031.90.21.00 as a dedicated part of profile projectors per Chapter 90 note 2(a).
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If entered as standalone optical lens not proven for profile projector use
General optical lenses fall under Chapter 90 heading 9002 unless documented as specific machine parts.
If other measuring instrument parts not specific to profile projectors
Parts for other Chapter 90 instruments classify under residual 9031.90.75xx subheadings.
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Import Tips & Compliance
• Verify compatibility certification with specific projector models to avoid misclassification as general optical lenses
• Include technical drawings and manufacturer specs in documentation proving exclusive use with profile projectors
Related Products under HTS 9031.90.21.00
Profile Projector Worktable Clamp Set
Precision clamp set for securing workpieces on profile projector stages, featuring fine adjustment mechanisms. Ensures stable positioning for accurate silhouette projection and measurement. HTS 9031.90.21.00 as profile projector-specific accessory.
Profile Projector Overlay Template Holder
Adjustable magnetic holder for Mylar/acetate overlay templates on profile projector screens. Facilitates direct comparison of projected profiles against master templates. Dedicated part under HTS 9031.90.21.00.
Profile Projector Edge Detector Sensor
Optical edge detection sensor for automated profile projectors, identifying workpiece boundaries for digital measurement. Integrates with projection system for sub-pixel accuracy. Specific part under 9031.90.21.00.
Profile Projector Quick-Change Lens Turret
Rotary lens turret mechanism holding multiple magnification objectives for profile projectors. Enables rapid lens changes without realignment. Precision part HTS 9031.90.21.00.
Profile Projector Vibration Isolation Mounts
Granite base isolation mounts with pneumatic leveling for profile projectors, minimizing vibration effects on measurements. Engineered for specific projector footprints. HTS 9031.90.21.00 support part.
Profile Projector Encoder Feedback Kit
Linear glass scale encoder kit for profile projector measuring stages, providing closed-loop position feedback. High-resolution digital output for DRO integration. Electronic part HTS 9031.90.21.00.