Hitachi HM-2130 Monochrome CRT Picture Tube
21-inch non-high definition monochrome cathode-ray tube for legacy computer terminals and security monitors. Delivers standard 525-line resolution with single phosphor layer for grayscale imaging. HTS 8540.12.50 applies to this other monochrome television picture tube excluding high-definition specifications.
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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 specifically for computer data display
Parts of computers including certain display tubes may classify under 8473 if integral to data processing units
If audio amplification system included
CRT assemblies containing audio detection systems for TV receivers fall under designated 8529.90 categories
If for measuring/testing instruments
CRT tubes designed for oscilloscopes or measuring instruments classify under Chapter 90 headings
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Import Tips & Compliance
• Document exact phosphor coating process and single-color electron excitation capability; measure visible screen diagonal per Chapter 85 US note; avoid bulk packaging that suggests parts status
Related Products under HTS 8540.12.50
Sony Trinitron KV-27FS100 Monochrome CRT
A 27-inch monochrome cathode-ray tube (CRT) television picture tube designed for non-high definition display with a viewing screen capable of fewer than 700 scanning lines and aspect ratio less than 16:9. This tube uses electron beam excitation of phosphors on the glass faceplate to render black-and-white video images, typical for legacy broadcast monitors. It falls under HTS 8540.12.50 as a non-high definition monochrome cathode-ray television picture tube.
Panasonic BT-27X1 Monochrome Video Monitor CRT
27-inch monochrome CRT specifically for professional video monitoring with non-HD resolution (4:3 aspect ratio, under 700 lines). Features precision phosphor coating for accurate black-and-white waveform display in broadcast studios. Classified under HTS 8540.12.50 as non-high definition monochrome television picture tube including video monitor tubes.
Toshiba 14VM1 Monochrome Security Monitor CRT
14-inch monochrome CRT tube optimized for CCTV security monitoring applications with non-HD 4:3 format and high-persistence phosphor for clear grayscale camera feeds. Meets 'other monochrome' criteria under HTS 8540.12.50 excluding high-speed or HD camera tube specifications.
NEC M651 21-inch Monochrome Medical Display CRT
21-inch high-resolution monochrome CRT for medical imaging workstations, featuring P45 phosphor and sub-700 line non-HD display for X-ray monochrome viewing. Designed as complete picture tube for diagnostic monitors. Classifies under HTS 8540.12.50 as non-high definition monochrome cathode-ray television picture tube.
Mitsubishi M3791VP Monochrome Waveform CRT
17-inch precision monochrome CRT for oscilloscope-style waveform monitoring in audio/video engineering. Non-high definition with green phosphor (P31) for high-contrast vector displays. HTS 8540.12.50 covers this other monochrome television picture tube.
Philips GM3122 Monochrome Industrial CRT
19-inch ruggedized monochrome CRT for factory process control and industrial video displays. Features non-HD resolution with durable anti-glare faceplate and white phosphor coating. Falls under HTS 8540.12.50 as other non-high definition monochrome cathode-ray television picture tubes.