Other
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 > Other
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 9027.89.80.90
Contact Angle Goniometer
Optical system measuring wettability of surfaces by analyzing droplet shape with high-resolution camera and software. Classified HTS 9027.89.80.90 for surface tension analysis instruments. Used in material science and coatings R&D.
Handheld Soil pH Meter
A portable electronic device used for measuring the pH level of soil samples in agricultural and gardening applications. It falls under HTS 9027.89.80.90 as an instrument for physical or chemical analysis of soil composition. The probe inserts into moistened soil to provide instant digital readings.
Portable Turbidity Meter
A battery-powered instrument that measures water clarity by detecting light scattering from suspended particles, used in environmental monitoring and water quality testing. Classified under HTS 9027.89.80.90 for physical analysis of light interaction with substances. Provides NTU readings for compliance with EPA standards.
Digital Surface Tension Tester
Compact device using the Du Noüy ring method to measure surface tension of liquids in industrial quality control for inks, coatings, and chemicals. Falls under HTS 9027.89.80.90 as an apparatus for measuring surface tension. Delivers precise mN/m readings with automatic temperature compensation.
Non-Contact Gloss Meter
Handheld optical instrument measuring surface gloss at 60-degree angle for paint, plastic, and metal finishes in manufacturing QC. Classified in HTS 9027.89.80.90 for instruments measuring light reflection properties. Conforms to ISO 2813 standards for repeatable GU readings.
Porosity Tester for Films
Benchtop apparatus using gas flow method to quantify porosity in plastic films, membranes, and filters for packaging industry. Under HTS 9027.89.80.90 for measuring porosity. Provides Gurley seconds or Frazier cfm metrics.
Sound Level Calibrator
Portable acoustic device generating precise 94/114 dB tones at 1kHz for field calibration of sound level meters in occupational safety. Classified HTS 9027.89.80.90 for sound measuring apparatus. Meets IEC 60942 Class 1 standards.
Microtome Knife Holder
Precision accessory for embedding microtome blades used in pathology labs to produce thin tissue sections for microscopic analysis. Falls under HTS 9027.89.80.90 as microtome accessory. Ensures vibration-free sectioning at 2-10 micron thickness.
Handheld Light Meter for Photography
Compact exposure meter measuring illuminance and luminance for professional photographers and cinematographers. HTS 9027.89.80.90 for light quantity measuring instruments. Features spot metering and flash duration measurement.
Gas Permeability Tester
Instrument measuring oxygen and CO2 transmission rates through packaging films using coulometric detection. Under HTS 9027.89.80.90 for physical analysis apparatus. Complies with ASTM D3985 for food packaging validation.
Thermal Expansion Coefficient Meter
Precision dilatometer measuring linear expansion of materials from -150°C to 1600°C for ceramics and metals R&D. HTS 9027.89.80.90 for expansion measuring apparatus. Pushrod and optical non-contact versions available.
Portable Coating Thickness Gauge
Electromagnetic and eddy current gauge measuring non-destructive paint/finish thickness on ferrous/non-ferrous metals. Under HTS 9027.89.80.90 for physical analysis instruments. Meets ISO 2808 standards for automotive and aerospace.
Vibration Analyzer for Machinery
Handheld spectrum analyzer measuring vibration velocity, acceleration, and displacement on rotating equipment for predictive maintenance. Classified HTS 9027.89.80.90 for physical analysis instruments. ISO 10816 compliant.
Particle Size Analyzer Probe
Inline probe using laser diffraction for real-time particle size distribution in pharmaceutical and chemical processes. HTS 9027.89.80.90 for physical analysis apparatus. 0.1-1000 micron range.
Melting Point Apparatus
Digital capillary method instrument for determining melting ranges of pharmaceuticals and organic chemicals from 20-400°C. Under HTS 9027.89.80.90 for physical/chemical analysis. Complies with USP <741>.