Michelson Interferometer
Classic optical instrument with beam splitter and movable mirror for displacement measurement via fringes. HTS 9013.80.91.00 covers educational and research versions as other optical appliances. Excludes FTIR spectrometers.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If configured for length measurement
Measuring optical instruments classify in 9031 per chapter note.
If includes projection apparatus for fringe display
Projection optical appliances have dedicated 9010 subheading.
If complete automated measurement machine
Machines with principal measuring function but not chapter 84/85 parts go to 8479.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Include HeNe laser integration specs if pre-assembled
• Document fringe visibility and path length capacity
• Classify vibration isolation table separately
Related Products under HTS 9013.80.91.00
He-Ne Laser Tube
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.