SXmini M Class (TEMP CONTROL)

[GeorgeS]

I've received some SS316L 26ga wire from UD, did a build on my aromamizer and found a post somewhere here with TCR values. When trying to dial in the value 0.000915, I realized there's only 5 decimal digits on the SXMINI. So I've used the closest value, 0.00091, with no luck at all. Just getting the DRY COIL screen every time I fire it.
I'm obviously doing something wrong, can someone explain, please?
Or maybe that's not the right TCR?

You can always try the water test to see what the TCR of your build is.

Mount a base with an exposed coil. Wick so the coil legs are covered and soak all the wick in tap water. Fire the SXminiM in TC mode at ~300F, ~20J and keep an eye on the real time temperature on the screen. If it is hovering ~212F your TCR is right. I like to re-wet the wick between TCR adjustments.

 

[burnie71]

I've received some SS316L 26ga wire from UD, did a build on my aromamizer and found a post somewhere here with TCR values. When trying to dial in the value 0.000915, I realized there's only 5 decimal digits on the SXMINI. So I've used the closest value, 0.00091, with no luck at all. Just getting the DRY COIL screen every time I fire it.
I'm obviously doing something wrong, can someone explain, please?
Or maybe that's not the right TCR?

Did you forget to sync the coil?

 

[Yerba]

Thanks @GeorgeS, will try that.
And @burnie71, I didn't forget.
Pretty sure the TCR is the right value, most likely the problem is in the gauge, it says 26ga but it looks thinner than my 26ga kanthal.
Thanks to both of you.

 

[burnie71]

Thanks @GeorgeS, will try that.
And @burnie71, I didn't forget.
Pretty sure the TCR is the right value, most likely the problem is in the gauge, it says 26ga but it looks thinner than my 26ga kanthal.
Thanks to both of you.

What Ohm reading did you get from your new coil? how did it compare to what you expected.
Btw I did forget once, hence the question.

 

[Vlad1]

In my personal experience I've had more problems with hot spots & hot legs (either will throw TL off) with 316 SS than any other wire I've used for some reason. Whether due to my builds or the wire IDK, got it from Ebay but I've given up on it for the time being. May give 430 SS a try at some point but to be honest I'm pretty content with Ni200 or Ti so not really in a hurry to change.

 

[2legsshrt]

Got my LE SXM's yesterday. I can't believe how quick Varitube is. Ordered Friday night Perry upgraded them to 2.32 and shipped Saturday recieved in WA state Monday. From CA it takes a week.

 

[Croak]

Funnily enough, Varitube is 3 days to me here in Florida, even with Priority, since it goes ground all the way across the state, then halfway back again (because it routes through both the Orlando and Tampa sorting centers, and I'm between the two). I get stuff faster from, say, VapeNW in your neck of the woods than I do from Varitube that's only about 2 hours drive from me.

And on that note, Perry should have my old SXM in his hand this morning, with any luck I'll have a replacement this week.

 

[footbag]

I just bought the textured dark wood skin from Vaporskinz. Looks like I won't be worrying about the black paint chipping any longer

 

[joblabbo]

I've been trying out other wires and it seems that TC is not working right with TI and 316L. NI200 still works with TC just fine. Both wires are 26awg from fasttech. The TI had to be cleaned with alcohol but still had a harsh taste but it seemed like increasing joules was not being regulated by the temp that was set. With the 316L in joules I get weak vapor unless I bump the temp up about 40deg but the coil taste great in power mode. Just wondering if anyone else had similar issues with TC or if each wire has to be dialed in by playing around with the settings.

 

[Landman]

I've been trying out other wires and it seems that TC is not working right with TI and 316L. NI200 still works with TC just fine. Both wires are 26awg from fasttech. The TI had to be cleaned with alcohol but still had a harsh taste but it seemed like increasing joules was not being regulated by the temp that was set. With the 316L in joules I get weak vapor unless I bump the temp up about 40deg but the coil taste great in power mode. Just wondering if anyone else had similar issues with TC or if each wire has to be dialed in by playing around with the settings.

Not sure what your experience level is with the SXMM, but the mod definitely need to be set for the type of wire you're using, which requires the latest firmware update. The coil needs to be sync'd to lock in the ohm and then set: Ni for Ni, Ti for Ti, or set to manual for any other wire type and then it needs to have the TCR value set.

 

[joblabbo]

Decently experienced, know all of the settings n such. I changed the TCR on my current 316l coil from 0.00092 to 0.001 and now the vape temp is about equal to my set temp. I can only guess that each spool will differ slightly for the most accurate TCR setting.

 

[2legsshrt]

I hate to admit it when I'm wrong but you guys have been telling me this since the beginning. I've been using just enough power to hit temp which for me is 13-14J with a .28ohm Ti coil at 400F. Well I decided to try it at 24J everything else the same and the vape is better. I didn't think it was possible but it is definately better. One thing I am wondering is if it is harder on the chip or not. It's still limiting temp to between 400-410F. I wonder if there is a chart of how much power you should set at for TC with different resistance coils? But you guys are right.

 

[2legsshrt]

Decently experienced, know all of the settings n such. I changed the TCR on my current 316l coil from 0.0092 to 0.001 and now the vape temp is about equal to my set temp. I can only guess that each spool will differ slightly for the most accurate TCR setting.

.00920 seems way high that stuff is high resistance right. nickel is only .00600 Ti is.00365 so .00100 sounds about right.

 

[GeorgeS]

When it comes to TC - unless you bought the wire from a RELIABLE source, the formulation of many of the different non-pure wire types can be wildly different.

IMHO: I think it is best to ether use the TCR settings that others have successfully used with the same wire from the same source as a starting point or just venture into doing some testing on your own and use the 'water test' to see what TCR the wire you have has.

Then again, even a 'reliable source' might offer some wire that functions fine but other types that don't.

 

[Yerba]

Decently experienced, know all of the settings n such. I changed the TCR on my current 316l coil from 0.00092 to 0.001 and now the vape temp is about equal to my set temp. I can only guess that each spool will differ slightly for the most accurate TCR setting.

I had the same bad experience with SS 316L from UD. Set the TCR to 0.00092, as I found in a couple of charts around, and nothing. Dry coil message every time. Then did the water test to found out that 0.00121 was spot on. Try that value, if it doesn't work do the water test. Hope you take the time to research a little bit, the vaping you'll get out of this wire is really good. Hope this helps you.

 

[ThunderDan]

I had the same bad experience with SS 316L from UD. Set the TCR to 0.00092, as I found in a couple of charts around, and nothing. Dry coil message every time. Then did the water test to found out that 0.00121 was spot on. Try that value, if it doesn't work do the water test. Hope you take the time to research a little bit, the vaping you'll get out of this wire is really good. Hope this helps you.

Thanks, I'll give that a try. I've got some of the UD SS316L as well, and while I haven't tried it on my SXMM, it didn't work the best on my DNA200 with the steam-engine SS316 csv.

 

[joblabbo]

@2legsshrt Sorry I corrected my typo, it was .00092

@Yerba/georges Ok looks like a TCR water test is a good check for when getting new spools.

I am trying to interpret the wire values on steam engine, and it looks like nickel/TI based wires are best for TC because of the resistance factor. I assume your set temp is a resistance factor based off of the TCR value of the wire and your locked resistance. If you look at the nickel/TI charts they have a good curve to them while SS is flat. So I'm thinking that SS has a smaller "sweet spot" for TC and we are adjusting the TCR to compensate.

 

[Vlad1]

Last night had a coil that was getting old gunking up not tasting as good so I replaced it with a new Ti coil to find it's resistance was much lower than I thought it was when I built it a day or so before, it vaped terrible and I thought I had a shorted coil so pulled it out and replaced it with a pre-built Crown SS coil and went on my way. Went to rebuild the bad Ti coil today and soon realized it was a large Ni200 coil I had made as a test at 14 wraps initially then had modified it down to about 9 wraps, that explained why the resistance was much lower than I thought it should have been and why it vaped poorly. Running Ni200 with a Ti TCR isn't a very good vape. I really need to settle on a wire type, or find a device that can detect the type of wire I have and set it for those times that I have a brain fart. The SXmini m is the most accurate, consistent & reliable device I have but it's not smart enough to tell me when I'm being dumb.

 

[dr3d]

The SXmini m is the most accurate, consistent & reliable device I have but it's not smart enough to tell me when I'm being dumb.

You've just summarized what I love about Yihi chips. All of the "smart" chips I've had have made the occasional bad calls which stick in my mind. I love that the Yihi does what I ask consistently and continues until I ask it to do it differently. I like it more than every other chip that thinks it's smart enough to make decisions for me. Heck, sometimes, when driving, I like to turn traction control off with the understanding that wheel spin is mine to manage.

 

[Vlad1]

You've just summarized what I love about Yihi chips. All of the "smart" chips I've had have made the occasional bad calls which stick in my mind. I love that the Yihi does what I ask consistently and continues until I ask it to do it differently. I like it more than every other chip that thinks it's smart enough to make decisions for me. Heck, sometimes, when driving, I like to turn traction control off with the understanding that wheel spin is mine to manage.

Yea I probably should have worded it a little differently. I don't really want a device to auto detect & set wire type without my input as I've had those bad experiences with other devices that want to automatically make a decision for me as well, and those experiences do stand out / make me fearful on each draw.