Of instruments and apparatus of subheading 9027.20, 9027.30, 9027.50, 9027.81 or 9027.89
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: > Of instruments and apparatus of subheading 9027.20, 9027.30, 9027.50, 9027.81 or 9027.89
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]
Subheadings
Products classified under HTS 9027.90.56
Chromatograph Column Assembly
Replacement column assembly for gas chromatographs used in chemical analysis of samples. It is a part specifically designed for instruments of subheading 9027.30 (spectrometers and similar apparatus). Classified under 9027.90.56 as an electrical part for these analytical instruments.
Spectrophotometer Detector Module
Photodiode detector module for UV-Vis spectrophotometers measuring light absorption in chemical analysis. Designed exclusively for instruments of 9027.50 (instruments for physical/chemical analysis). Falls under 9027.90.56 as an electrical accessory.
Gas Analyzer Sensor Head
Electrochemical sensor head replacement for gas analysis apparatus measuring pollutants or emissions. Compatible with instruments of 9027.81 (gas/smoke analysis). Classified in 9027.90.56 for electrical parts of these analyzers.
Refractometer Prism Assembly
Optical prism and electrical readout assembly for refractometers measuring liquid concentrations. Part for instruments of 9027.20 (chromatographs, refractometers). Electrical component qualifies for 9027.90.56.
Microtome Cryostat Control Board
Electronic control board for maintaining temperature in microtome cryostats used in sample sectioning. Accessory for instruments of 9027.89 (microtomes and similar). Electrical part under 9027.90.56.
Polarimeter Optical Cell Holder
Motorized electrical holder for sample cells in polarimeters measuring optical rotation. Designed for 9027.20 polarimeters. Electrical accessory classified in 9027.90.56.
Viscosity Tester Probe
Electrical sensing probe for rotational viscometers measuring fluid viscosity in labs. Part for 9027.50 viscosity instruments. Qualifies under 9027.90.56 electrical parts.
Porosimeter Sample Stage
Precision electrical positioning stage for mercury porosimeters measuring material porosity. Accessory for 9027.50 porosity apparatus. Electrical part in 9027.90.56.
Sound Level Meter Microphone
Condenser microphone cartridge for precision sound level meters measuring decibel levels. Part for 9027.30 sound analysis apparatus. Electrical component under 9027.90.56.
Light Exposure Meter Sensor
Silicon photodiode sensor for photographic light meters measuring illuminance. Designed for 9027.30 exposure meters. Electrical part classified 9027.90.56.
Spectrometer Power Supply Module
High-voltage power supply module for atomic absorption spectrometers. Essential electrical part for 9027.30 spectrometers. Under 9027.90.56 classification.
Gas Chromatograph Oven Heater
Precision cartridge heater with temperature sensors for GC oven temperature control. Electrical part for 9027.30 chromatographs. Classified 9027.90.56.