NEC ND-2135HD Broadcast Reference CRT
NEC 21-inch high definition monochrome cathode-ray tube for broadcast waveform/vector scope monitors, classified HTS 8540.12.7000 as HD monochrome TV picture tube. Delivers precise 16:9 format with 700+ scan lines for critical signal analysis. Features ultra-precise electron beam focusing.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If high-speed camera tubes
Tubes meeting 8525.81 specs for writing speed/frame rate classify under transmission apparatus.
If for spectrum analyzers or test instruments
Instrument-specific monochrome CRTs fall under Chapter 90 measuring appliances.
If front panel assemblies with shadow mask
Per US note, phosphor-imprinted glass panels classify separately from complete tubes.
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
• Provide broadcast equipment manufacturer specs confirming television picture tube application
• Document phosphor persistence ratings (P31 standard) for reference monitor verification
• Consider bonded warehouse entry for re-export in broadcast equipment assembly
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