Chromatography Oven Temperature Sensor
This temperature sensor is a replacement part specifically designed for gas chromatography ovens used in chemical analysis instruments classified under HTS 9027.20.50. It measures and maintains precise temperatures essential for chromatographic separations. As a dedicated accessory for these electrical analytical apparatus, it falls under 9027.90.5625 per Chapter 90 classification rules for parts.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used for automatic temperature control in industrial processes
Shifts to automatic regulating instruments if designed for process control rather than analysis.
If generic parts not principally for Chapter 90 apparatus
Unspecified machines/parts if not proven dedicated to physical/chemical analysis equipment.
If sold as general-purpose temperature sensor without apparatus specificity
Classifies as other thermometers if lacking principal use with 9027 instruments.
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Import Tips & Compliance
• Verify compatibility with specific 9027.20.50 models via manufacturer specs to avoid misclassification
• Include detailed technical datasheets proving principal use with chromatography instruments
Related Products under HTS 9027.90.56.25
GC Oven Fan Motor
Precision fan motor circulating air in chromatography oven columns for uniform heating in 9027.20.50 instruments. Electrical accessory essential for temperature accuracy. Under 9027.90.5625 classification.
Split/Splitless Injector Body
Machined stainless steel injector body for GC split/splitless modes in 9027.20.50 apparatus, housing septum and liner. Electrical heater mount included. Principal part classified in 9027.90.5625.
GC Injection Port Liner
A consumable quartz liner for the injection port of gas chromatographs (HTS 9027.20.50), essential for sample vaporization in chemical analysis. Made of high-purity materials to prevent contamination during analysis. Classified as a part under 9027.90.5625 due to its exclusive use in these electrical analytical instruments.
Gas Chromatograph Column Heater Module
Modular heating element for maintaining temperature gradients in GC capillary columns, integral to instruments of subheading 9027.20.50. Ensures reproducible separation results in physical/chemical analysis. Falls under 9027.90.5625 as an electrical part principally used with these apparatus.
Mass Spectrometer Interface Kit for GC
Transfer line and heater kit connecting gas chromatographs (9027.20.50) to mass spectrometers for combined GC-MS analysis. Maintains sample integrity during ionization transition. Classified in 9027.90.5625 as accessory principally for these chemical analysis instruments.
GC Detector Flame Ionization Filament
Replacement igniter filament for FID detectors in gas chromatographs of HTS 9027.20.50, critical for organic compound detection via ionization. Electrical component dedicated to chemical analysis apparatus. Covered by 9027.90.5625 parts provision.