A very rare Chinese Nixie tube '电工牌' SZ-2

[xuhui zeng]

This SZ-2 is a top-view display nixie tube produced by the East China Electron Tube Factory in China, with a diameter of 50mm+ and very large characters.

[blkadder]

Are these still being produced?

[alex nolan]

Beautiful tube! Would absolutely be interested in trading other rare tubes for one, if someone has an extra few lying around ;)

[liam bartosiewicz]

One of these was sold the other day on eBay for a bit over $100, someone got a pretty good deal if you ask me.

On Apr 1, 2024, at 12:31 AM, xuhui zeng <meyia...@gmail.com> wrote:



This SZ-2 is a top-view display nixie tube produced by the East China Electron Tube Factory in China, with a diameter of 50mm+ and very large characters.

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[Dekatron42]

Some six years ago I bought a bunch for USD$4 when they were sold in China, a Chinese seller offered them in boxes of 25 per box then so they weren’t that rare, then another eBay seller offered them for USD $49 for six pieces, oerhaps the same seller who sold then ti me.

Sesrch the forum and you’ll find some more information.

/Martin

[Peter Hall]

Yes-there lovely,7please,lol.

From🚨Peter Hall😁 insidiousnixies🦘Utube

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[Nicholas Stock]

Hg doped?

Nick

Sent from my iPhone

On Apr 1, 2024, at 10:31, Peter Hall <hall...@hotmail.com> wrote:



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[Dekatron42]

I don't think it has any Hg in the gas, it looks very much like only Neon.

The welded wires are poorly welded and come loose easily, just like number 3 not working on the one sold on eBay now, I have a few failed SZ-2 with the same problem.

/Martin