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Old 11-01-2009, 10:56 PM #1
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Default alden polarity

Googled the whole net...... NOTHING

is the longer leg + or -

The alden connector on a HeNe tube, what is the polarity??

So if you had a raw supply with flying leads, what leg does the red wire hook up to?


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Old 11-03-2009, 06:06 AM #2
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Default Re: alden polarity

no one knows??
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Old 11-04-2009, 05:20 PM #3
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Default Re: alden polarity

Quote:
Originally Posted by photonaholic View Post
Googled the whole net...... NOTHING

is the longer leg + or -

The alden connector on a HeNe tube, what is the polarity??

So if you had a raw supply with flying leads, what leg does the red wire hook up to?

Shorter leg is the HV +
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Old 11-04-2009, 05:39 PM #4
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Default Re: alden polarity

Usually smaller leg is the HV and + polarity, Itgoes to the side of the tube witout the aluminum cylinder. Bigger side is - HV return it may or may not be tied to ground. As a rule in smaller hene tubes it is a ground, on larger hene tubes it floats
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Old 11-04-2009, 09:40 PM #5
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Default Re: alden polarity

Thanks, I have an unknown tube, it is sealed in a steel cylinder and has an Alden connector on it.

My supply is a bare supply with flying leads, Once I confirm the tube works, I will just grab up the first supply on ebay for under $25 that is not sold "as-is"
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Old 11-05-2009, 04:54 PM #6
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Default Re: alden polarity

How long is the tube? I may have some PSU's that i'd part with in that range
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Old 11-05-2009, 11:39 PM #7
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Default Re: alden polarity

Need a 6.5ma supply. primary side I prefer 12 volts, second choice 120, last choice 24 volt.
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Too much knowledge is dangerous, not enough is worse.
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