Chapter 9027 — Customs Tariff Headings

9027.20.00Chromatographs and electrophoresis instruments

9027.30.00Spectrometers, spectrophotometers and spectrographs using optical radiations (UV, visible, IR)

9027.50.00Other instruments and apparatus using optical radiations (UV, visible, IR)

9027.8Other instruments and apparatus:

9027.90.00Microtomes; parts and accessories

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Products classified under Tariff item 90.27

ABB Advance Optima AO2000 Gas Analyzer

The ABB Advance Optima AO2000 is a modular gas analyzer platform that employs NDIR, paramagnetic, and electrochemical sensing technologies to measure process gases. It is designed for continuous emissions monitoring and industrial process control, making it a gas analysis apparatus under tariff item 9027.10.00.

Automotive Optical Exhaust Gas Analyzer

The Automotive Optical Exhaust Gas Analyzer is a benchtop device that uses NDIR technology for carbon monoxide, carbon dioxide, and hydrocarbons, and electrochemical sensors for oxygen in vehicle emissions testing. It is an optical gas analysis apparatus, falling under tariff item 9027.10.00.

Bacharach PCA 400 Combustion Analyzer

The Bacharach PCA 400 is a handheld combustion analyzer that measures oxygen, carbon monoxide, nitrogen oxide, and stack temperature to assess combustion efficiency in HVAC systems. It is an electrical gas analysis apparatus used for flue gas testing, falling under tariff item 9027.10.00.

Biogas Optical Methane Analyzer

The Biogas Optical Methane Analyzer is a fixed installation that uses laser spectroscopy to measure methane, carbon dioxide, and hydrogen sulfide in anaerobic digesters. It is an optical gas analysis apparatus, using laser absorption, and is classified under tariff item 9027.10.00.

Cavity Ring-Down Spectroscopy Trace Gas Analyzer

The Cavity Ring-Down Spectroscopy Trace Gas Analyzer is an ultra-sensitive optical spectrometer that measures parts-per-billion levels of water vapor, isotopes, and greenhouse gases using laser cavity decay time. It is an optical gas analysis apparatus, falling under tariff item 9027.10.00.

Crowcon Clip SGD+ Toxic Gas Monitor

A disposable single-gas detector for H2S, CO, or O2 with a 2-year maintenance-free operation, designed for personal protection in refineries and sewers. It is a portable gas analysis device. This detector is classified under tariff item 9027.10.00 as it is a gas analysis apparatus.

Crowcon ClipSG+ Personal CO2 Monitor

The Crowcon ClipSG+ is a wearable gas detector that continuously monitors carbon dioxide levels and provides alarms for personal safety in confined spaces. It operates as an electrical gas analysis apparatus, detecting gas concentrations to warn users, and is classified under tariff item 9027.10.00.

Dräger X-am 8000 Multi-Gas Detector

The Dräger X-am 8000 is a portable multi-gas detector that simultaneously measures combustible gases, oxygen, carbon monoxide, hydrogen sulfide, and volatile organic compounds in hazardous environments. It is an electrical gas analysis apparatus used for safety monitoring, falling under tariff item 9027.10.00.

Emerson Rosemount 700XA NOx Analyzer

The Emerson Rosemount 700XA is a chemiluminescence analyzer that measures nitrogen oxide emissions in industrial processes and vehicle testing. It operates as an electrical gas analysis apparatus, using a chemical reaction to detect NOx, and is classified under tariff item 9027.10.00.

FTIR Gas Analyzer for Stack Emissions

The FTIR Gas Analyzer for Stack Emissions is a Fourier Transform Infrared spectrometer designed for continuous monitoring of multiple gases in industrial exhaust stacks using optical interferometry. It is an optical gas analysis apparatus, falling under tariff item 9027.10.00.

Honeywell BW Ultra Multi-Gas Detector

The Honeywell BW Ultra is a portable 5-gas detector that measures lower explosive limit, oxygen, hydrogen sulfide, carbon monoxide, and volatile organic compounds with pumped sampling. It is an electrical gas analysis apparatus for industrial safety, falling under tariff item 9027.10.00.

Horiba PG-300E Continuous Emission Monitor

A continuous emission monitor for stack gases including NH3, NOx, and SO2 using cross-flow modulation NDIR. It is designed for stationary gas analysis in power plants and cement kilns. This monitor is classified under tariff item 9027.10.00 as it is a gas analysis apparatus.

Infrared Process Gas Chromatograph

The Infrared Process Gas Chromatograph combines infrared detection with chromatography for online monitoring of hydrocarbon process streams in refineries. It is an optical gas analysis apparatus, using an IR detector, and falls under tariff item 9027.10.00.

Laboratory FTIR Multi-Gas Analyzer

A research-grade Fourier Transform Infrared (FTIR) analyzer designed for laboratory use, capable of simultaneously identifying over 30 gases in air samples. It operates on the principle of infrared spectroscopy, which is a core technique for gas analysis. This apparatus is classified under tariff item 9027.10.00 as it is specifically designed for gas analysis.

MSA Altair 5X Multi-Gas Monitor

The MSA Altair 5X is a multi-gas monitor that detects combustible gases, oxygen, carbon monoxide, hydrogen sulfide, and sulfur dioxide for firefighter and industrial safety. It operates as an electrical gas analysis apparatus, providing real-time gas concentration readings, and is classified under tariff item 9027.10.00.

Nondispersive Infrared (NDIR) CO2 Analyzer

A nondispersive infrared (NDIR) CO2 analyzer that uses infrared spectroscopy to measure carbon dioxide concentrations in gas samples. It is commonly used in environmental monitoring and HVAC systems to ensure air quality. This device is classified under tariff item 9027.10.00 as it is a gas analysis apparatus employing optical methods.

Open-Path Laser VOC Monitor

An open-path laser VOC monitor that uses long-path laser dispersion to detect volatile organic compounds around chemical facilities. It operates on optical remote sensing principles, making it a gas analysis apparatus. This system is classified under tariff item 9027.10.00 as it is designed for gas and smoke analysis.

Optical Biogas Quality Analyzer

An optical biogas quality analyzer that measures CH4, CO2, O2, and H2S using NDIR and electrochemical sensors. It is designed for quality control in renewable energy plants. This analyzer is classified under tariff item 9027.10.00 as it is a gas analysis apparatus with optical components.

Photoacoustic Gas Monitor

A photoacoustic gas monitor that uses infrared photoacoustic spectroscopy to detect multiple trace gases. It works by generating sound waves in modulated light-absorbed gas, which is an optical modulation technique. This monitor is classified under tariff item 9027.10.00 as it is a gas analysis apparatus.

Portable Optical Smoke Density Meter

A portable optical smoke density meter that uses light obscuration to measure smoke density and particulate matter in ambient air or vehicle exhaust. It is an optical apparatus designed for smoke analysis. This device is classified under tariff item 9027.10.00 as it is a smoke analysis apparatus.

Quantum Cascade Laser HCl Analyzer

A quantum cascade laser (QCL) HCl analyzer that uses mid-IR laser absorption for continuous hydrogen chloride monitoring in incinerator and semiconductor process gases. It is an optical analyzer designed for gas analysis. This device is classified under tariff item 9027.10.00 as it is a gas analysis apparatus.

Raman Gas Analyzer for Explosive Detection

A Raman gas analyzer for explosive detection that uses laser Raman spectroscopy to identify explosive vapors and chemical agents through molecular fingerprint scattering. It is an optical system designed for gas and plume analysis. This analyzer is classified under tariff item 9027.10.00 as it is a gas analysis apparatus.

RKI GX-2012 Confined Space Monitor

A 4-gas personal monitor for LEL, O2, H2S, and CO with datalogging for confined space entry. It is a portable gas analysis device with pump-driven diffusion sampling. This monitor is classified under tariff item 9027.10.00 as it is a gas analysis apparatus.

Siemens ULTRAMAT 23 Gas Analyzer

The Siemens ULTRAMAT 23 is an NDIR gas analyzer that measures infrared-active gases such as carbon dioxide, carbon monoxide, and nitrous oxide in process control applications. It is an electrical gas analysis apparatus, using non-dispersive infrared technology, and falls under tariff item 9027.10.00.

Testo 350 Portable Flue Gas Analyzer

The Testo 350 is a portable flue gas analyzer that measures oxygen, carbon monoxide, nitrogen oxide, and sulfur dioxide emissions from combustion processes. It is an electrical gas analysis apparatus for emissions testing, falling under tariff item 9027.10.00.

Thermo Fisher iMEGA CEMS Gas Analyzer

The Thermo Fisher iMEGA is a continuous emissions monitoring system analyzer that provides real-time measurement of stack gases in power plants. It operates as an electrical gas analysis apparatus, using various sensing technologies, and is classified under tariff item 9027.10.00.

Thermo Fisher iTX Miran SapphIRe Vapor Analyzer

An infrared spectroscopy vapor analyzer that identifies and quantifies specific organic vapors and toxic gases in ambient air. It is designed for industrial hygiene and environmental monitoring. This analyzer is classified under tariff item 9027.10.00 as it is a gas analysis apparatus.

Tunable Diode Laser Gas Analyzer

A tunable diode laser gas analyzer (TDLAS) that uses laser absorption spectroscopy for trace gas detection of ammonia, HCl, and VOCs in process streams. It is an optical instrument designed for gas analysis. This analyzer is classified under tariff item 9027.10.00 as it is a gas analysis apparatus.

UV-DOAS Flue Gas Monitor

A UV-DOAS flue gas monitor that uses ultraviolet differential optical absorption spectroscopy to measure SO2, NO2, and O3 in power plant flue gases across open paths. It is an optical remote sensing apparatus designed for gas analysis. This monitor is classified under tariff item 9027.10.00 as it is a gas analysis apparatus.

Agilent 1260 Infinity II Liquid Chromatograph

The Agilent 1260 Infinity II Liquid Chromatograph is a high-performance liquid chromatography (HPLC) system used for precise separation and analysis of liquid samples in chemical and pharmaceutical laboratories. It operates using electrical components to control solvent flow and detection, making it an electrical chromatograph under tariff item 9027.20.00.

Agilent 1290 Infinity II HPLC System

A high-performance liquid chromatograph (HPLC) system designed to separate, identify, and quantify components in liquid mixtures. It uses electrical detection systems such as UV-Vis or fluorescence detectors, making it an electrical instrument for physical or chemical analysis under this tariff item.

Agilent 1290 Infinity II UHPLC System

The Agilent 1290 Infinity II UHPLC System is an ultra-high-performance liquid chromatograph used for physical and chemical analysis, separating and detecting compounds in complex mixtures with high precision. Its electrical operation qualifies it as an electrical chromatograph under tariff item 9027.20.00.

Agilent 2100 Bioanalyzer Electrophoresis System

A microfluidics-based electrical electrophoresis instrument for automated nucleic acid and protein quality control. It uses chip-based technology driven by electric fields, qualifying as an electrophoresis instrument under this tariff item.

Agilent 7890B Gas Chromatograph

The Agilent 7890B is an advanced gas chromatograph designed for precise separation and analysis of volatile compounds in complex samples. It features electronic pneumatic control and a capillary column oven with precise temperature management. This instrument is classified under tariff item 9027.20.00 as a chromatograph.

Azure Biosystems Horizontal Gel Electrophoresis System

A horizontal electrophoresis system that runs agarose gels electrically for DNA and RNA sizing. It is designed for integration with imaging systems, qualifying as an electrical electrophoresis instrument under this tariff item.

Beckman Coulter ProteoMiner Protein Enrichment + CE System

A capillary electrophoresis system with electrical detection used for protein analysis and biomarker discovery. It operates by applying an electric field to separate molecules, qualifying as an electrophoresis instrument for chemical analysis under this tariff item.

BioLogic VSP-300 Electrophysiology Analyzer

The BioLogic VSP-300 Electrophysiology Analyzer is a versatile potentiostat used for electrochemical analysis and chromatography validation. It operates using electrical detection methods, making it suitable for electrophoresis modes in physical or chemical analysis. This instrument falls under tariff item 9027.20.00 as an electrophoresis instrument.

Bio-Rad Mini-PROTEAN Tetra Cell Electrophoresis System

A vertical electrophoresis system designed for protein separation using polyacrylamide gel electrophoresis. It utilizes electrical current to drive proteins through the gel, qualifying as an electrophoresis instrument under this tariff item.

Bio-Rad Mini-PROTEAN Tetra Electrophoresis System

A vertical gel electrophoresis system for protein and DNA separation using electrical current through polyacrylamide gels. It is an electrical instrument for biochemical analysis, falling under this tariff item for electrophoresis instruments.

Bio-Rad NGC Chromatography System

The Bio-Rad NGC Chromatography System is a modular electrical chromatography workstation designed for protein purification, featuring conductivity and UV monitoring. It separates and analyzes biomolecules, qualifying it as an electrical chromatograph under tariff item 9027.20.00.

Bio-Rad PowerPac HC Power Supply for Electrophoresis

The Bio-Rad PowerPac HC is a high-current power supply specifically designed for driving electrophoresis instruments in protein and nucleic acid separations. Although it is primarily a power source, its principal use is with electrophoresis equipment. This power supply is classified under tariff item 9027.20.00 as an accessory for electrophoresis instruments.

Bruker 436-GC Gas Chromatograph

The Bruker 436-GC offers rugged reliability for continuous operation in quality control labs analyzing fuels and polymers. It is an electrical gas chromatograph used for physical and chemical analysis. This instrument is classified under tariff item 9027.20.00 as a chromatograph.

Brukerama LC 3000 Series

The Brukerama LC 3000 Series is a modular high-performance liquid chromatograph with an electrical refractive index detector for carbohydrate analysis. It is widely used in the food and beverage industry, qualifying it as an electrical chromatograph under tariff item 9027.20.00.

Buck Scientific 910 GC System

The Buck Scientific 910 GC System is a research-grade gas chromatograph with an electrical thermal conductivity detector (TCD) for permanent gas analysis in petrochemical laboratories. It separates and analyzes gaseous samples, qualifying it as an electrical chromatograph under tariff item 9027.20.00.

Dionex UltiMate 3000 UHPLC+

The Dionex UltiMate 3000 UHPLC+ system is an ultra-high-performance liquid chromatograph designed for nanoscale liquid chromatography in proteomics research. It uses electrical dual-flow technology to achieve precise separation and analysis, qualifying it as an electrical chromatograph under tariff item 9027.20.00.

GE Healthcare Hoefer miniVE Vertical Electrophoresis Unit

The GE Healthcare Hoefer miniVE is a vertical electrophoresis tank system used for separating DNA, RNA, and proteins via gel electrophoresis. It is powered electrically and supports multiple gel formats for analytical biochemistry. This system is classified under tariff item 9027.20.00 as an electrophoresis instrument.

GE Healthcare ÄKTA pure Protein Purification System

The GE Healthcare ÄKTA pure Protein Purification System is an electrical liquid chromatography system designed for biomolecule purification, featuring a fraction collector and UV detector. It is commonly used in academic and pharmaceutical research, qualifying it as an electrical chromatograph under tariff item 9027.20.00.

Gilson VERSE HPLC Workstation

A modular HPLC system with electrical fraction collectors and UV detectors designed for preparative purification. It is used for separating and purifying compounds, qualifying as a chromatograph under this tariff item.

Helena Biosciences SPIFE 4000 Electrophoresis System

The Helena Biosciences SPIFE 4000 is an automated slab gel electrophoresis system used for clinical serum protein electrophoresis. It separates proteins for medical diagnostics using electric fields, and research versions are available. This system is classified under tariff item 9027.20.00 as an electrophoresis instrument.

Hitachi LaChrom Ultra HPLC

A high-speed HPLC system with electrical UV-Vis and fluorescence detectors used for pharmaceutical impurity profiling. It is an electrical chromatograph for chemical analysis, falling under this tariff item.

Lonza 4D-Nucleofector X-Unit Electrophoresis Device

The Lonza 4D-Nucleofector X-Unit is an electroporation system that uses electrical pulses for cell transfection and nucleic acid delivery. It functions as an advanced electrophoresis device, facilitating the introduction of molecules into cells. This device is classified under tariff item 9027.20.00 as an electrophoresis instrument.

Lonza 4Gel6 Pro Horizontal Electrophoresis System

The Lonza 4Gel6 Pro is a horizontal agarose gel electrophoresis system optimized for DNA fragment separation in molecular biology. It runs up to four gels simultaneously under electric current, making it efficient for research. This system is classified under tariff item 9027.20.00 as an electrophoresis instrument.

Malvern Panalytical Omnisec GPC System

A gel permeation chromatography system with electrical refractive index and light scattering detectors for polymer molecular weight analysis. It is an electrical chromatograph for physical and chemical analysis, qualifying under this tariff item.

Metrohm 850 Ion Chromatography System

A modular ion chromatograph using electrical suppression and conductivity detection for anion and cation analysis. It is used for environmental and industrial testing, qualifying as an electrical chromatograph under this tariff item.

PerkinElmer Clarus 690 Gas Chromatograph

The PerkinElmer Clarus 690 GC excels in high-throughput screening for pharmaceuticals and forensics with programmable inlets and precise temperature control. Its electrical operation for chemical analysis places it under tariff item 9027.20.00 as a chromatograph.

PerkinElmer Flexar SQ300 HPLC

A high-pressure liquid chromatograph featuring electrical conductivity and refractive index detectors for analyte separation. It is an electrical chromatography apparatus for laboratory analysis, falling under this tariff item.

QIAGEN QIAxcel Advanced Capillary Electrophoresis System

The QIAGEN QIAxcel Advanced uses capillary gel electrophoresis for high-throughput nucleic acid fragment analysis without traditional gels. It provides automated screening for laboratories, enhancing efficiency. This system is classified under tariff item 9027.20.00 as an electrophoresis instrument.

Scie-Plas TV100-2D Horizontal Electrophoresis Unit

The Scie-Plas TV100-2D is a dual-mode horizontal system for 1D/2D gel electrophoresis in proteomics research. It supports large format gels powered electrically for biomolecule separation. This system is classified under tariff item 9027.20.00 as an electrophoresis instrument.

SCIEX ExionLC AD HPLC System

An advanced HPLC front-end with electrical autosampler and photodiode array detection for mass spectrometry coupling. It is used in quantitative bioanalysis, qualifying as an electrical chromatograph under this tariff item.