Mystery tube

[Nicholas Stock]

Anyone have an idea what this is? 4 pins. Doesn’t glow next to a plasma globe and doesn’t have any distinguishing markings on the base except some hand written numbers.....Appears to have two C shaped wires connected to each pair of pins with a small gap between the electrodes.....

Nick

[jb-electronics]

Very interesting! Are the internal pins (not the "C" shapes) coated in glass? If yes then the tube probably contains gas. If not, then it might be vacuum.

Where did you find it? Maybe that can help us figure it out?

Cheers

Jens

On 2019-04-09 9:25 p.m., Nicholas Stock wrote:

Anyone have an idea what this is? 4 pins. Doesn’t glow next to a plasma globe and doesn’t have any distinguishing markings on the base except some hand written numbers.....Appears to have two C shaped wires connected to each pair of pins with a small gap between the electrodes.....

Nick

Sent from my iPhone

[John Rehwinkel]

Looks like a spark gap or TR switch, but I suppose it could be a nitrogen laser.

> On Apr 9, 2019, at 11:25 PM, Nicholas Stock <nick...@gmail.com> wrote:
>
> Anyone have an idea what this is? 4 pins. Doesn’t glow next to a plasma globe and doesn’t have any distinguishing markings on the base except some hand written numbers.....Appears to have two C shaped wires connected to each pair of pins with a small gap between the electrodes.....
>
> Nick
>

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[Tom Harris]

Transient suppressor? But they are gas filled. 

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[Dekatron42]

It is an uv flame detector tube.

/Martin

[johnk]

I have come in late on this. Martin will be right. It does look similar to the Hamamatsu thingo.

I was going to suggest it is a flash tube for the StroboTac or similar. [but that should glow I suppose].
I love doing "whatsits".

John K

[Mac Doktor]

> On Apr 10, 2019, at 12:47 AM, Dekatron42 <martin....@gmail.com> wrote:
>
> It is an uv flame detector tube.

Dead on:

http://www.industrialalchemy.org/articleview.php?item=3088


Terry Bowman, KA4HJH
"The Mac Doctor"

[Nicholas Stock]

Thanks everyone!!

Sent from my iPhone

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