Stereoplotter Calibration Fixture
Specialized fixture used to calibrate analytical stereoplotters for photogrammetric mapping, ensuring parallax-free measurements in 3D terrain modeling. Constructed from precision-ground optics and mechanical stages. Classified in HTS 9015.90.0140 as a part of photogrammetrical surveying instruments.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for general optical measuring instruments
Calibration devices for non-photogrammetrical optics fall under 9031.80.
If adapted for speedometers or revolution counters
Certain measuring instrument parts shift to 9029 despite optical features.
If for machine tool alignment fixtures
Precision fixtures principally for machine tools classify under 8466 per note exclusions.
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Import Tips & Compliance
• Include calibration procedure documentation linking fixture exclusively to photogrammetrical stereoplotters
• Obtain advance ruling from CBP specifying photogrammetrical end-use to mitigate reclassification risks
• Avoid bulk packaging that suggests general machine parts under Section XVI exclusions
Related Products under HTS 9015.90.01.40
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Orthophoto Rectification Stage
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Automated target projector creating known geometric patterns for photogrammetric camera calibration and quality control testing. Essential for certifying metric accuracy before survey missions. Accessory for photogrammetrical instruments in HTS 9015.90.0140.
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Floating mark parallax bar for stereoplotters, enabling precise measurement of height disparities in photogrammetric terrain models. Micrometer-driven for contour generation. Essential part under HTS 9015.90.0140.
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