Physical analysis instruments and apparatus
Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes; parts and accessories thereof: > Other instruments and apparatus: > Other: > Other: > Other > Physical analysis instruments and apparatus
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 9027.89.80.60
Portable Viscosity Meter
Rheometer-style handheld device measuring dynamic viscosity of fluids using rotational or vibrational methods for field QC in paints and oils. HTS 9027.89.80.60 covers viscosity checking apparatus for physical analysis. Digital display with temperature compensation.
Beta Ratio Tester for Filters
Automated liquid particle counter challenging filters to determine efficiency ratings per ISO 16889 standards. HTS 9027.89.80.60 for physical analysis of filtration media performance. High-pressure pump with inline sensors.
XRF Handheld Spectrometer
A portable X-ray fluorescence spectrometer used for non-destructive elemental analysis of materials like metals, soil, and alloys in field applications. It falls under HTS 9027.89.80.60 as a physical analysis instrument employing X-ray technology to measure atomic composition. This classification covers specialized apparatus for physical property analysis beyond basic measurement tools.
Portable Gas Chromatograph
A compact gas chromatography device for analyzing volatile organic compounds in air, water, or soil samples during environmental monitoring. Classified under HTS 9027.89.80.60 for physical/chemical analysis apparatus measuring molecular separation and identification. It enables on-site detection of pollutants and contaminants.
Digital Surface Tensiometer
An electronic instrument measuring surface tension of liquids using the Wilhelmy plate or pendant drop method, vital for quality control in coatings and inks. It qualifies under HTS 9027.89.80.60 as apparatus for checking surface tension, a key physical property. High-precision sensors provide digital readouts for R&D and manufacturing.
Porosity Tester for Batteries
A specialized apparatus testing electrode porosity in lithium-ion battery production using gas permeability methods. Falls under HTS 9027.89.80.60 for instruments measuring porosity, essential for battery material physical analysis. It ensures optimal electrolyte absorption and performance.
Sound Level Calibrator
A precision acoustic calibrator generating known sound pressure levels for calibrating noise dosimeters and sound level meters. Classified in HTS 9027.89.80.60 as apparatus for measuring sound quantities in physical analysis. Essential for occupational safety and environmental noise compliance.
Light Exposure Meter for Photography
A handheld luxmeter or exposure meter measuring illuminance and light intensity for professional photography and cinematography setups. It fits HTS 9027.89.80.60 as an instrument for checking quantities of light in physical analysis contexts. Features spectral sensitivity matching human vision or film types.
Thermal Expansion Coefficient Tester
Benchtop dilatometer measuring linear thermal expansion of materials from ambient to high temperatures for materials science research. Under HTS 9027.89.80.60 for instruments checking expansion, a core physical property analysis tool. Used in ceramics, metals, and composites development.
Microtome Cryostat
A low-temperature sectioning instrument for preparing frozen tissue samples in histology and pathology labs. Specifically listed under HTS 9027.89.80.60 as microtomes for physical sample preparation and analysis. Maintains -30°C for thin slice production without artifacts.
Particle Size Analyzer
Laser diffraction instrument determining particle size distribution in powders, suspensions, and emulsions for pharmaceutical and materials R&D. Falls under HTS 9027.89.80.60 as physical analysis apparatus for dispersion properties. Wet and dry dispersion capabilities.
Contact Angle Goniometer
Optical system measuring wettability via contact angle on solid surfaces for surface science and coatings development. HTS 9027.89.80.60 for surface tension-related physical analysis instruments. High-resolution camera with automated drop dispensing.
Acoustic Emission Tester
Multi-channel system detecting and analyzing stress waves from material defects in NDT for bridges and pressure vessels. Under HTS 9027.89.80.60 as sound quantity measuring apparatus for physical integrity analysis. Real-time signal processing.
Holographic Interferometer
Laser-based system visualizing surface deformations and vibrations through interference fringe patterns for aerospace testing. Classified HTS 9027.89.80.60 as physical analysis instrument measuring displacement via light interference. Full-field non-contact measurement.
Sellmeier Equation Refractometer
Advanced Abbe refractometer calculating dispersion curves using Sellmeier coefficients for optical glass quality control. HTS 9027.89.80.60 for physical analysis of refractive index across spectrum. Temperature-stabilized prism.