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kfield
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My cousin had one!
kfield   11/27/2013 12:25:20 PM
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Very cool - I remember my older cousin owning one of these, and he was very stingy about letting the other kids touch or play with it. Where did you find one, and I bet you paid more than $20!!

w2aew
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More on the Dip Meter...
w2aew   11/27/2013 1:04:23 PM
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If you are curious about how you'd use a Dip Meter, check out my video on the basics of Dip Meters.  In the video, I use a Heathkit Dip Meter, but it is a more modern, solid state version that I built as a kid in the 70s.  

http://www.youtube.com/watch?v=_HwIL6mqq_k

 

Caleb Kraft
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Re: My cousin had one!
Caleb Kraft   11/27/2013 1:05:33 PM
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I think I actually paid $20! 

Caleb Kraft
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Re: More on the Dip Meter...
Caleb Kraft   11/27/2013 1:05:49 PM
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Oh cool, thanks for sharing that!

Jonathan Allen
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Grid dip meter
Jonathan Allen   11/27/2013 1:08:11 PM
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As a power RF specialist I depedn on my trusty grid dipper.  Mine happens to be an Eico 710.  It's basically similar to the Heathkit shown but a bit more compact.  I carry it in a canvas case originally made for a "brick" cell phone.  The instrument and its coil set (The coils live in a mahogany block drilled to accept the pins.) fit perfectly.  There is even room for a spare tube, a BNC coil adapter, and the Manual which fits in its own zippered compartment.  I previously owned a solid state immitation "grid" dip meter, but it was almost useless so I traded it. 


In addition to analyzing resonant circuits, the GDO can test transmission lines for electrical length and measure the distance to shorts or opens.  As a wavemeter it detects RF leakage.  Amazing versatility for an instrument with just one triode section.  I won't leave home without it!

junko.yoshida
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Re: More on the Dip Meter...
junko.yoshida   11/27/2013 1:14:52 PM
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@w2aew, thanks for posting the youtube clip. I had NO idea how people would use one of those devices until I saw the video!

vvc0
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Fond Memories of Heathkit
vvc0   11/27/2013 1:33:49 PM
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I built a few Heathkit devices, including a color television, an oscilloscope, and a printer. Heathkit did an extraordinary job of design in putting together their kits. The assembly documentation was second to none. The color television had at least 5 or 6 manuals, covering the assembly of the circuit boards, the mechanical assembly of the unit, tuning the varius stages, and adjustments to the set. It was a marvelous way of gaining experience in assembly and testing of complex devices. I don't think there are any equivalent systems today that even come close to the experience Heathkit provided.

Susan Rambo
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Re: More on the Dip Meter...
Susan Rambo   11/27/2013 2:45:28 PM
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Thanks for posting the Heathkit Solid-State Dip Meter video. Very cool.

Bert22306
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Re: More on the Dip Meter...
Bert22306   11/27/2013 3:55:03 PM
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At first, I wondered how you were measuring the resonant circuit by only connecting to one point. And then I concluded you were actually measuring an antenna.

Interesting. A poor man's oscilloscope and oscillator all in one.

w2aew
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Re: More on the Dip Meter...
w2aew   11/27/2013 4:05:43 PM
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The only "connection" is inductive.

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