Profile Projector Stage Micrometer
A precision glass slide with etched scale lines used to calibrate the magnification of profile projectors classified under 9031.80.40. It mounts on the projector's stage for accurate measurement verification during optical inspections. This accessory falls under HTS 9031.90.70.00 as a dedicated part for those specific measuring instruments.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used with general laboratory measuring instruments
Universal micrometers not dedicated to profile projectors classify under parts of other lab instruments.
If entered as generic glass scales without projector specification
Plain glass articles without dedicated machine use fall under signaling glassware or general glass.
If for other non-9031.80.40 measuring machines
Parts for different profile projectors or coordinate machines go to general machine parts subheading.
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Import Tips & Compliance
• Verify the micrometer is specifically designed for profile projectors of 9031.80.40 to avoid reclassification as general lab glassware
• Include technical specs and compatibility certificates in documentation to prove principal use with profile projectors
Related Products under HTS 9031.90.70.00
Optical Comparator Worktable Clamp Set
Precision machined clamps and holders for securing workpieces on the stage of optical comparators (9031.80.40). These allow stable positioning for accurate profile and dimension projection measurements. Classified under 9031.90.70.00 as accessories principally used with these specific inspection projectors.
Shadowgraph Screen Calibration Reticle
Precision etched glass reticle mounted on the projection screen of shadowgraphs (profile projectors under 9031.80.40) for scale calibration and accuracy verification. Essential for maintaining measurement traceability in metrology labs. Classified as a part under HTS 9031.90.70.00.
Profile Projector Protractor Screen Attachment
Angular measurement protractor overlay that attaches to profile projector screens for direct angle readings from magnified projections. Specifically engineered for 9031.80.40 shadowgraph screens. Falls under HTS 9031.90.70.00 as a dedicated accessory.
Comparator Stage Precision Leveling Screws
Micrometer-adjustable leveling screws for optical comparator workstages, providing sub-micron height adjustments for perfect part alignment. Exclusive to 9031.80.40 profile projectors. Classified under 9031.90.70.00 machine parts.
Profile Projector Dust Cover and Storage Case
Custom-fitted protective cover and transit case designed specifically for profile projectors of 9031.80.40, with foam cutouts for optics and stage protection. Prevents contamination of precision optical surfaces. Classifies as accessory under HTS 9031.90.70.00.
Shadowgraph Objective Lens Cleaning Kit
Specialized cleaning kit with lint-free wipes, precision swabs, and optical cleaning solution formulated for shadowgraph objective lenses in 9031.80.40 profile projectors. Prevents scratches on high-magnification optics. Dedicated accessory under 9031.90.70.00.