Sample Changer Carousel for Atomic Absorption Spectrometer
Automated 50-position sample carousel with stepper motor drive for atomic absorption spectrometers under 9027.30.40. Enables high-throughput analysis of trace metal concentrations in liquids. Falls under this HTS as an electrical part dedicated to the specified instruments.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If adaptable to multiple laboratory instrument brands
Multi-function lab machinery parts classify under general machinery provisions.
If used with measuring/checking instruments of heading 9031
Parts follow their principal instrument heading per chapter note 2.
If marketed as standalone laboratory sample preparation device
Devices not principally for chapter 90 apparatus go to laboratory equipment headings.
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Import Tips & Compliance
• Submit instrument compatibility matrix and control software specifications with entry
• Document anti-corrosion materials used for sample tubes to justify analytical instrument classification
• Avoid bulk packaging that suggests general laboratory equipment rather than instrument-specific parts
Related Products under HTS 9027.90.56.30
Spectrophotometer Quartz Cuvette Holder
Precision-machined holder designed specifically for securing quartz cuvettes in UV-Vis spectrophotometers classified under HTS 9027.30.40. It ensures accurate alignment and positioning for reliable absorbance measurements across wavelengths. This accessory falls under 9027.90.56.30 as a dedicated part for these electrical analytical instruments.
Electrode Assembly for pH/Conductivity Meter
Replaceable electrode module with glass membrane and reference junction for electrical spectrometers and ion analyzers under 9027.30.40. Provides precise measurement of hydrogen ion concentration and electrical conductivity in solutions. Classified here as an essential electrical part integral to the instrument's function.
Fiber Optic Probe for Raman Spectrometer
High-performance fiber optic probe with sapphire ball lens for remote sampling in Raman spectrometers (9027.30.40). Transmits laser excitation and collects scattered light for non-destructive molecular analysis. This specialized accessory qualifies under 9027.90.56.30 due to its principal use with covered electrical apparatus.
Detector Module for FTIR Spectrometer
DTGS pyroelectric detector module with preamplifier for Fourier Transform Infrared spectrometers (9027.30.40). Converts IR radiation to electrical signal for spectral analysis. Classified as an electrical part under 9027.90.56.30 for these specific analytical instruments.
Tungsten Lamp Housing for UV-Vis Spectrophotometer
Precision-aligned deuterium/tungsten lamp housing assembly for UV-Vis spectrophotometers of 9027.30.40. Provides stable light source for quantitative analysis from 190-1100nm. This electrical component qualifies under 9027.90.56.30 as a dedicated instrument part.
Gas Cell Assembly for FTIR Gas Analyzer
10cm pathlength gas cell with ZnSe windows and gold-coated mirrors for FTIR gas spectrometers under 9027.30.40. Enables quantitative infrared analysis of gas mixtures. Classified here as a critical optical/electrical part for covered instruments.