Gas Analyzer Probe
Heated stainless steel probe for extracting hot gas samples in stack emissions analyzers (9027.81). Includes filtration and temperature control. 9027.90.84.00 part for gas analysis apparatus.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If generic furnace/incinerator sampling probes
Laboratory distillation/furnace parts outside Chapter 90 scope.
If includes integral electronic display
Instruments for measuring flow/level/pressure shift to 9026.
If plain stainless steel tubes
Base tubes without sampling function classify as steel pipes.
Not sure which classification is right?
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Import Tips & Compliance
• Certify probe length, heater wattage, and thermocouple type
• EPA Method 1-7 compliance documentation often required
Related Products under HTS 9027.90.84.00
Sound Level Meter Microphone
Type 1 precision condenser microphone for integrating sound level meters (9027.30 for sound measuring instruments). Calibrated to IEC 61672 standards. 9027.90.84.00 replacement part.
HPLC Column Cartridge
A disposable cartridge packed with stationary phase for high-performance liquid chromatography systems (subheading 9027.30). Essential for separating and analyzing compounds in pharmaceutical testing. Classified as 9027.90.84.00 accessory for liquid chromatographs.
Spectrometer Sample Holder
Adjustable holder for solid/liquid samples in optical spectrometers (9027.50). Precision-machined aluminum with alignment features. 9027.90.84.00 accessory for emission/absorption spectroscopy.
Microtome Disposable Blade
High-carbon steel disposable blade for paraffin-embedded tissue sectioning in rotary microtomes (subheading 9027.90.30 microtomes themselves, but blades as parts). Feather or Leica-style for pathology labs. Under 9027.90.84.00 as accessory.
Refractometer Prism Assembly
Sapphire prism with calibration scale for Abbe refractometers (9027.20). Critical for measuring refractive index of liquids. Classified 9027.90.84.00 as dedicated optical component.
Porosimeter Sample Stage
Precision stage for mercury intrusion porosimeters (9027.89) measuring pore size distribution. Includes vacuum seals and positioning controls. 9027.90.84.00 accessory for porosity testers.