Question on old Russian scope.

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Question on old Russian scope.

Postby Bertie » Sun Nov 16, 2014 9:57 am

Hello to you all.

A few days ago I bought an old Russian NV device for almost nothing, please see pictures.
The seller told me the battery had died.
I powered the unit with 3 Volts, the power supply made a pulsing sound and the tube worked.
The lamp lightens up but very weak, so I think 3 Volts is not the correct voltage.

Does anyone know the correct voltage?
I do not have a manual and there is no sign on the Original battery.
Is this a real Gen 0 or a Gen1 with a IR lamp?

Thanks for any comment.

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Bertie
 
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Location: Netherlands

Re: Question on old Russian scope.

Postby mrf2 » Wed Nov 19, 2014 6:33 am

That scope looks like a gen 0 scope, but I can't say for sure. Those batteries also look like 1PN34 batteries; they are a wet cell battery. Each puts out 1.25v, so your 3v estimate was fairly close. I have found orginal IR lamps (such as used in the US AN/PAS-6) to give pretty disapointing preformace, so it may be working correctly?
mrf2
 
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Re: Question on old Russian scope.

Postby Bertie » Wed Nov 19, 2014 6:42 am

Think you're right, the batt's are wett cells.
The very poor performance of the Tube could be an indication for Gen.0.
As far as I (in my ignorence) know Gen.0 has poor or no amplification but is able to "see" infrared wavelenghts that are invisible for the human eye.

Thanks for your answer!
Bertie
 
Posts: 146
Joined: Wed Jan 10, 2007 3:26 am
Location: Netherlands


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