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: > Microtomes; parts and accessories: > Parts and accessories: > Of electrical instruments and apparatus: > 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 9027.90.59
Electrical Spectrometer Probe Assembly
Replacement probe assembly for electrical spectrometers used in chemical analysis, featuring sensors and wiring for precise measurement of light spectra. Classified under HTS 9027.90.59 as a part of electrical instruments for physical or chemical analysis. It is specifically designed for integration with spectrometer main units.
Gas Analyzer Sensor Module
Modular electrical sensor for gas chromatographs and smoke analysis apparatus, detecting specific chemical compositions via electrochemical cells. Falls under HTS 9027.90.59 as an electrical part/accessory for gas analysis instruments. Designed exclusively for integration into physical/chemical analysis equipment.
Refractometer Digital Display Unit
LCD display module with integrated circuitry for electrical refractometers measuring liquid refractive indices in labs. Classified in HTS 9027.90.59 as an electrical accessory part for physical analysis instruments. Essential for reading Brix or salinity measurements accurately.
Viscosity Tester Probe Head
Electrical probe head with sensors for rotational viscometers, measuring fluid viscosity in industrial and lab settings. Under HTS 9027.90.59 as a part of electrical apparatus for checking viscosity. Features temperature-compensated electronics for accuracy.
Light Exposure Meter Sensor
Photodiode sensor module for electrical exposure meters used in photography and UV analysis. HTS 9027.90.59 covers it as an electrical part for instruments measuring light quantities. Calibrated for lux or foot-candle readings.
Sound Level Meter Microphone Capsule
Electret condenser microphone capsule for precision sound level meters measuring decibels in environmental testing. Classified HTS 9027.90.59 as electrical accessory for sound quantity checking apparatus. Frequency response optimized for A/C weighting.
Porosimeter Electrical Control Board
PCB control board for mercury porosimeters analyzing material porosity in research labs. HTS 9027.90.59 as electrical part for porosity checking instruments. Manages pressure sensors and data acquisition.
Surface Tension Meter Electrode Assembly
Wilhelmy plate electrode with electrical contacts for tensiometers measuring liquid surface tension. Under HTS 9027.90.59 as part of electrical surface tension checking apparatus. Includes force transducer integration.
Thermal Expansion Tester Sensor Array
Linear variable differential transformer (LVDT) sensor array for electrical dilatometers measuring material expansion coefficients. HTS 9027.90.59 for electrical parts of expansion checking instruments. High-temperature rated for furnace use.
Microtome Electrical Stage Controller
Stepper motor controller board for automated microtomes slicing biological samples at micron precision. Classified HTS 9027.90.59 as electrical accessory for microtomes. Enables programmable section thickness.
Polarimeter Sample Cell Holder
Electrical temperature-controlled cell holder for optical polarimeters measuring sugar solutions rotation. HTS 9027.90.59 as electrical part for physical analysis instruments. Peltier-cooled for 5-40°C stability.
UV Spectrophotometer Lamp Housing
Electrical deuterium lamp housing with interlock safety for UV-Vis spectrophotometers. Under HTS 9027.90.59 as accessory for light measuring analysis apparatus. Stabilizes 190-400nm wavelength output.
pH Meter Electrical Probe Amplifier
Signal conditioning amplifier for glass combination pH electrodes in chemical analysis stations. HTS 9027.90.59 for electrical accessories of physical/chemical analysis instruments. Provides high-impedance buffering.
Particle Size Analyzer Flow Cell
Electrical conductivity flow cell for dynamic light scattering particle size analyzers. Classified HTS 9027.90.59 as part for physical analysis instruments measuring particle dimensions. Handles 0.3nm-10μm range.
Calorimeter Electrical Bucket Assembly
Bomb calorimeter oxygen bomb bucket with electrical ignition wires for heat quantity measurement. HTS 9027.90.59 as electrical part for thermal analysis apparatus. Rated 5000psi for combustion testing.