Radiation Counter Geiger-Müller Tube
Gas-filled tubes detecting ionizing radiation through avalanche multiplication of electrons in detection gas. Classified under HTS 8540.89.00 as other gas-filled tubes specifically for radiation measurement.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If radiation dosimeters
Complete radiation detection apparatus under apparatus for X-rays.
If other instruments
Radiation measuring instruments classify sensors differently.
If medical radiation equipment
Medical dosimetry equipment components under medical instruments.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Radiation detection efficiency curves and dead time specs required
• NRC/equivalent radiation safety certifications mandatory
• Distinguish from scintillation detectors under 9031
Related Products under HTS 8540.89.00
Magnetron Injection-Locked Tube
Phase-locked magnetron tubes for coherent microwave power combining in radar systems. Classified under HTS 8540.89.00 as specialized thermionic tubes with injection locking circuitry for phase control.
Klystron Power Amplifier Tube
Klystron tubes are specialized linear beam vacuum tubes used for amplification of microwave signals in high-power applications like radio transmitters and particle accelerators. Classified under HTS 8540.89.00 as other thermionic tubes due to their electron beam focusing mechanism in vacuum environment.
Xenon Flashtube Trigger Tube
High-voltage gas tubes triggering xenon flashtubes in high-intensity strobe lighting. HTS 8540.89.00 covers these as other gas-filled tubes initiating capacitive discharge through gas ionization.
Thyratron Gas-Filled Switching Tube
Thyratrons are gas-filled tubes containing low-pressure inert gas used for high-power switching and rectification in industrial applications. They qualify under HTS 8540.89.00 as other gas-filled tubes functioning through gas ionization triggered by cathode emission.
Ignitron Mercury Arc Rectifier Tube
Ignitrons are large mercury arc rectifier tubes used for high-current DC power conversion in industrial applications like aluminum smelting. HTS 8540.89.00 includes these mercury vapor-filled tubes operating via cathode-initiated arc discharge.
Photomultiplier Tube (PMT)
Photomultiplier tubes convert weak light signals into electrical pulses through electron multiplication across multiple dynodes. Classified under HTS 8540.89.00 as photocathode tubes designed for photon detection in scientific instruments.