Laser Doppler Vibrometer
Non-contact optical sensor measuring vibration via Doppler shift of scattered laser light. Under HTS 9013.80.91.00 as other optical instruments for dynamic measurement. Not electrical transducers.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If when used for vibration measurement
Other optical measuring instruments classify preferentially in 9031.
If imported as optical sensor head only
Image conductors and relay components have specific 9018 classification.
If includes automatic process control capability
Automatic controlling instruments based on measurement classify in 9032.
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Import Tips & Compliance
• Emphasize coherent laser detection optics over signal processing
• Specify velocity/frequency range and standoff distance
• FDA clearance if biomedical applications
Related Products under HTS 9013.80.91.00
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A helium-neon gas laser tube used in scientific instruments for alignment and interferometry. It generates a continuous visible red laser beam and falls under HTS 9013.80.91.00 as a laser other than laser diodes, not specified elsewhere. This classification covers standalone optical appliances for precision applications.
Holographic Interferometer
An optical instrument using lasers to measure surface deformations and vibrations via holography. Classified in HTS 9013.80.91.00 as other optical appliances not elsewhere specified, distinct from basic telescopes or measuring tools. Ideal for non-destructive testing in engineering.
Optical Spectrum Analyzer
A device that analyzes the optical spectrum of light sources using diffraction gratings and detectors. It qualifies under HTS 9013.80.91.00 for other optical instruments not specified elsewhere, used in photonics R&D. Excludes electrical spectrum analyzers.
Laser Beam Profiler
An instrument using CCD cameras and optics to measure laser beam intensity profiles and quality (M² factor). Falls under HTS 9013.80.91.00 as other optical appliances for laser characterization. Not a general measuring telescope.
Schlieren Imaging System
Optical setup with parabolic mirrors and knives to visualize air flow and shock waves via density gradients. Classified HTS 9013.80.91.00 for other optical instruments in aerodynamic research. Excludes machine vision systems.
Fabry-Perot Interferometer
Precision optical cavity with parallel mirrors for measuring laser wavelengths and fine spectra. HTS 9013.80.91.00 covers this as other unspecified optical instruments for spectroscopy. Not a scanning confocal microscope.