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mactavish

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Reply with quote  #1 
These SMA SDNA75 devices were setup software wise by DJLSB, a very knowledgeable reviewer. They come with wire presets, that I have since changed. However he did include device resistance settings. I can't confirm the case thermal numbers as I have not run those tests. The only one I can test is the the main device resistance in "Atomizer Analizer", using the solid cooper 510 plug that was sold through a member on this forum, look in the DNA200 thread. You first set the resistance to ZERO, upload the settings back to the device, then run the test.

The original value that has been preset on the device was: 0.0016
My test showed 0.002 on 3 of them, and 0.003 on the 4th.
This under Escribe version 1.2

There are other ways to short the 510, if you don't have this custom copper plug. Feel free to add your results to this thread.
VapingBad

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Reply with quote  #2 
Yep, http://evolvapor.forumchitchat.com/post/mod-resistance-7522239
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Latest versions of EScribe: DNA 200/250DNA 75
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dwcraig1

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Reply with quote  #3 
I also changed the wire settings and mod resistance on my SDNA75. I made the 510 shorting tool from a used cartomizer with it's 510 filled with solder. The value I got was close to the original setting, I got 0.002Ω.
BTW, I have 5 other DNA200 mods, they are all 0.004Ω or slightly higher.

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mactavish

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Reply with quote  #4 
This was the original "copper 510 tool" thread for more info:

http://evolvapor.forumchitchat.com/post/510-99-9-pure-copper-mod-resistance-tools-7835197?&trail=15
Swainesmatee

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Reply with quote  #5 
I got .006 on my vt75 nano using the copper calibration tool
mactavish

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Reply with quote  #6 
Quote:
Originally Posted by Swainesmatee
I got .006 on my vt75 nano using the copper calibration tool


Agrees exactly with my results. I wonder how Daniel did his tests. I would write him, but he never returned my last two messages in the past on other issues, so I don't bother anymore.
dwcraig1

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Reply with quote  #7 
I hope you guys are cleaning them cooper plugs till they shine, your readings are a bit higher than most mods.
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mactavish

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Reply with quote  #8 
Quote:
Originally Posted by dwcraig1
I hope you guys are cleaning them cooper plugs till they shine, your readings are a bit higher than most mods.


Shiny clean. My VS DNA200 was 0.005
mactavish

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Reply with quote  #9 
Quote:
Originally Posted by Jentz9517
so 0.006 for the nano guys?  also post up your case analyzer values if you have them it's gonna be a bit before I can test mine but will put it up when i do.. 
specify battery also


I left those as they came. DJSLB set those up, hopefully they are accurate. Those tests are the hardest to requiring some special heat sinks. If you have them, would love to see your results.
mactavish

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Reply with quote  #10 
I edited my first post above with RETEST RESULTS, using the latest Escribe version 1.2. Got 0.002 INSTEAD of 0.006.
dwcraig1

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Reply with quote  #11 
Quote:
Originally Posted by mactavish
I edited my first post above with RETEST RESULTS, using the latest Escribe version 1.2. Got 0.002 INSTEAD of 0.006.
Much better and consistent with what others are reporting. 

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mactavish

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Reply with quote  #12 
Quote:
Originally Posted by dwcraig1
Much better and consistent with what others are reporting. 


Yeah, gives me a bit more confidence in DJLSB's 0.0016 preset. Now that I'm managing 4 different SMY SDNA75's, I'm going to use 0.002 on all of them, even though one read at 0.003. This way if I want to change any other mod settings, I'm only dealing with a single Escibe file, not four. I'll have to trust his case settings as doing those tests requires some good heat sinks, ones I never bothered buying.
Lilpetabread

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Reply with quote  #13 
How tight do you guys screw your 510 plug down? Until it literally can't screw down any more? I'm always afraid to crank down too tightly.
Jentz9517

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Reply with quote  #14 
Quote:
Originally Posted by Lilpetabread
How tight do you guys screw your 510 plug down? Until it literally can't screw down any more? I'm always afraid to crank down too tightly.

I tightened until it bottomed out and just nice and snug until completely stable with no fluctuation the triade remained stable at 0.004 for the last two turns

I guess a fair bit tighter than an atomizer
Lilpetabread

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Reply with quote  #15 
Quote:
Originally Posted by Jentz9517

I tightened until it bottomed out and just nice and snug until completely stable with no fluctuation the triade remained stable at 0.004 for the last two turns

I guess a fair bit tighter than an atomizer


Okay thanks, that's what I've been doing too. On my VT75, when I screw the plug all the way down tight, it makes a huge gap between the c-frame and the rest of the device's body near the 510. I love the looks of the VT75 (red) but the gaps around it drive my OCD nuts! (on both of my VT75s). Thanks for sharing your results!
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