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rx200 tcr?
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gentlydoingit* Offline
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Post: #1
rx200 tcr?
Does anyone know how to use tcr on the rx200? I can't seem to find it anywhere?!

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27-05-2016 11:29 PM
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Michael Offline
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Post: #2
RE: rx200 tcr?
I'm not even sure what tcr stands for... 
28-05-2016 04:42 AM
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phlash Offline
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Post: #3
RE: rx200 tcr?
  All I know is that it's the m1, m2 and m3 settings, and press and hold the up and fire buttons to lock the resistance. If it's less than version 3.0 you will have to do the upgrade to get the TCR, which stands for temperature coefficient of resistance. Other than that, I don't know what it's really good for other than keeping the resistance constant. But don't quote me, cause I never use temp control anyway, and the M settings might just be plain memory settings. the resistance lock will work on all temp settings. Also, four clicks on the fire button will allow you to adjust your wattage in temp mode.

  After installing a nickel coil in my TFV4, I tried those M settings and I barely got any vapor at all. The M settings severely restrict the wattage, I have no idea what they are actually supposed to do, but the regular temp settings worked fine. I dunno. Maybe somebody else can explain TCR, cause I can't. Unless maybe it's for really low wattage builds or higher resistance, like mtl.
28-05-2016 06:28 AM
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Eggza (07-29-2016)
gentlydoingit* Offline
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Post: #4
RE: rx200 tcr?
So I can't change the resistance value?? How is that tcr? Haha. 

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28-05-2016 08:12 AM
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Eggza (07-29-2016)
gentlydoingit* Offline
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Post: #5
RE: rx200 tcr?
After failing to get a .1 I'm stuck with a .09 (left my drill at work), I was kinda hoping to get it to work in tc.. it's just not consistent enough for ribbon wrapped 22g 316. It works best in m3 but it's still not right.
Guess I'm going oldskool with a single wire build.

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28-05-2016 09:52 AM
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Michael Offline
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Post: #6
RE: rx200 tcr?
I have this mod, and I still don't understand what's going on. What m3 and tcr? I know it has three tc modes (Ni, Ti, SS), is that what the m3 stands for, SS mode? Temperature coefficient of resistance... That's a fancy phrase that doesn't make sense in my head. 
Sorry I just want to learn, teach me! 
28-05-2016 03:16 PM
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gentlydoingit* Offline
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Post: #7
RE: rx200 tcr?
As temp rises so too does resistance. By a mathematically predictable amount, hence coefficient. Which is why I'd like to alter the ratio, but i cant, so how is that tcr??

Not entirely sure what m1, 2,3 actually do, they're differnt to the rest but I've no clue why.

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28-05-2016 04:33 PM
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Eggza (07-29-2016)
Michael Offline
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Post: #8
RE: rx200 tcr?
Oh that makes sense. I remember hearing that the DNA200 allows you to set your own curves for TC in eScribe, seemed to be the big selling point of the DNA200 vs the RX200 since it just has that info built-in. At least, as long as I'm understanding this correctly. I might be completely off-base, I don't really use TC yet. 
28-05-2016 04:57 PM
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phlash Offline
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Post: #9
RE: rx200 tcr?
  Resistance requires a physical change, and the only thing in a mod that can accomplish this other than the buttons is the size or temp of a coil. To do this in the mod, you would have to have a switch or dial,something like a volume control. But the resistance can be locked, which keeps the resistance from fluctuating and causing everything else from doing the same, and causing rapid battery drain. It's the only explanation I can come up with, and I may be wrong, so I'm gonna do a bit more research on it.
28-05-2016 06:26 PM
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TinWhisker Offline
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Post: #10
RE: rx200 tcr?
(28-05-2016 04:42 AM)Michael Wrote:  I'm not even sure what tcr stands for... 

This little blurb puts it into words better than I can. Also explains why the mod's TC mode is used in Celsius rather than Fahrenheit.

The resistance-change factor per degree Celsius of temperature change is called the temperature coefficient of resistance (TCR). This factor is represented by the Greek lower-case letter “alpha” (α). A positive coefficient for a material means that its resistance increases with an increase in temperature.
28-05-2016 06:34 PM
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