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TC beyond Ni200: Nickel Purity, Dicodes; Ti, SS, Resistherm NiFe30; Coefficient of Resistance
Yeah I often do tests with just stretches of wire. For most basic tests, like TCR, it can't make any difference: all the mod sees is a resistance figure. It could be a flat stretch of wire, a coil, or shaped like a unicorn. To the mod it's only a length of wire with a resistance value. The... -
TC beyond Ni200: Nickel Purity, Dicodes; Ti, SS, Resistherm NiFe30; Coefficient of Resistance
Yeah, Rob at Stealth Vape told me that TCR of NiFe wire could only be guaranteed for annealed wire - so sounds like it applies generally? In the case of SS, rather than torching as such, just a full dry burn should be OK I'd think? I thought Landman said he already did that prior to his tests... -
TC beyond Ni200: Nickel Purity, Dicodes; Ti, SS, Resistherm NiFe30; Coefficient of Resistance
Although, boo to springy! :( -
TC beyond Ni200: Nickel Purity, Dicodes; Ti, SS, Resistherm NiFe30; Coefficient of Resistance
Great thanks @Landman . Excited to try it! So based on your 6-7 x 3mm @ 0.74Ω, that sounds very similar resistance to SS304. But we know TCR is higher, so that's looking like definitely more accurate overall. And the water test seems to show the TCR around 0.0014 - very nice. -
dicodes 2380, dicodes dani extreme and pipeline 2
My own temperature testing has validated the Titanium wires I use as 0.0035 at vaping temperatures. Also, beware of single-figure TCRs: they are usually across a much wider temperature range than our vaping range. Check out vapealone's spreadsheet in my TC Beyond Ni200 thread, his source's... -
TC beyond Ni200: Nickel Purity, Dicodes; Ti, SS, Resistherm NiFe30; Coefficient of Resistance
What really adds insult to injury in this whole debacle is that I got this wire on the same day that I received the 30m of SS304 I ordered separately! So I can't even console myself with the fact that I wanted SS304 anyway, because I certainly didn't want or need 105m of it. They'd better... -
TC beyond Ni200: Nickel Purity, Dicodes; Ti, SS, Resistherm NiFe30; Coefficient of Resistance
Final conclusion on Crazy Wire "NiFe30" spools I received today: It's Stainless Steel 304 I just did my resistance readings again. Cleared all scraps of wire off my deck, to be sure I didn't measure the wrong wire or anything. Cut new wire from my Crazy wire 'NiFe' spools. "NiFe 0.40mm" ... -
TC beyond Ni200: Nickel Purity, Dicodes; Ti, SS, Resistherm NiFe30; Coefficient of Resistance
Ah I meant to reply to an earlier post of yours. I'm not sure if it's the same as you're describing here, but I think you posted before about resistance not rising with an SS contact coil? If so, I've seen that before - resistance doesn't rise. It needs to be oxidised with pre-burning as a... -
TC beyond Ni200: Nickel Purity, Dicodes; Ti, SS, Resistherm NiFe30; Coefficient of Resistance
Yeah true not on a DNA 40. But in principle on any single-TCR mod like the SXK. You keep a lot of fuse wire lying around the house then? ;) -
TC beyond Ni200: Nickel Purity, Dicodes; Ti, SS, Resistherm NiFe30; Coefficient of Resistance
Oh yeah forgot about that. Yeah delta is most important so that's probably OK. Don't you have a DNA 200? I thought I saw you talking about one. On the 200 you can just graph it, easy peasy. If not, yeah deltas are probably enough for TCR. Well Ihope. We know the SXK's inaccuracy varies... -
TC beyond Ni200: Nickel Purity, Dicodes; Ti, SS, Resistherm NiFe30; Coefficient of Resistance
It's SS304. It has to be. I just measured 100mm of 0.40 and 0.35. It comes out to the exact numbers predicted for SS304 on Wire Wizard. Incidentally, the spool labelled 0.32 is actually 0.35 as well Same TCR, same resistance to three decimal places, plus same feel etc. I refuse to believe... -
TC beyond Ni200: Nickel Purity, Dicodes; Ti, SS, Resistherm NiFe30; Coefficient of Resistance
Actually am I being slow again - if you just soak the coil/wick, you know it's at 100/212, right? It can't go above that until the water boils? So yeah just wet your wick (so to speak), hold down fire, and see the max resistance, and put that into the TCR calc from 20->100°C? Job done... -
TC beyond Ni200: Nickel Purity, Dicodes; Ti, SS, Resistherm NiFe30; Coefficient of Resistance
I just did a "slow burn" test on the dreaded Crazy 'NiFe', heating only at 5W. I thought maybe this could be a non-linear one, so I wanted to see if all the resistance rise came at the start of the heating. Then I thought I may as well just do it properly and got the Thermo out. I didn't do... -
TC beyond Ni200: Nickel Purity, Dicodes; Ti, SS, Resistherm NiFe30; Coefficient of Resistance
Yeah I always forget about that, if it hovers at 100°C/212°F then it's at the right TCR - right? I'd still do the glowing test first to get you a ballpark, that seems quicker to me because in one test - just watching the screen on the SXK - you can immediately see if it's 0.001 or 0.005 and... -
dicodes 2380, dicodes dani extreme and pipeline 2
More than you ever wanted to know about TCR here: TC beyond Ni200: Nickel Purity, Dicodes; Ti, SS, Resistherm NiFe30; Coefficient of Resistance In short: Titanium is almost always 0.0035 (350 on Dicodes). Stainless Steel varies according to grade. If you know you have SS304, then 0.00105... -
Authentic Aqua V2 for $25 shipped...
Looks like both of mine are coming tomorrow, the second having caught up with the first in transit -
TC beyond Ni200: Nickel Purity, Dicodes; Ti, SS, Resistherm NiFe30; Coefficient of Resistance
Here's an even cruder way. All the following assume the base coil was @ 20°C / 68°F An Ni200 coil @ approximately 0.006 TCR will increase its resistance 2.35 times by 250°C (0.2 -> 0.47), and by 3.88 times by 500°C A wire with 0.003 TCR will increase its resistance 1.69 times by 250°C (0.2... -
TC beyond Ni200: Nickel Purity, Dicodes; Ti, SS, Resistherm NiFe30; Coefficient of Resistance
I don't know of a method that doesn't require knowing, or at least estimating, the temperature of the wire. The way I estimated temperature for the quick test with this NiFe was to heat it to glowing. I then estimated, based on what we discussed the other day, that glowing had to be at least... -
TC beyond Ni200: Nickel Purity, Dicodes; Ti, SS, Resistherm NiFe30; Coefficient of Resistance
I think a key thing here is that Crazy specifically said it has 70% Nickel and 30% Iron. They didn't just call it NiFe70 or NiFe30, they said Ni70Fe30. I've just looked at half a dozen alloys claiming 70%/30%, and they're all similar. Generic Alloy 120 is 70%/30% and TCR is usually listed as... -
TC beyond Ni200: Nickel Purity, Dicodes; Ti, SS, Resistherm NiFe30; Coefficient of Resistance
I never doubted that :) But the point is we still don't have any idea if this wire actually is Ni70Fe30. Maybe it really can vary that much - four times higher resistance than Kanthal NiFethal 70, three times higher than Resistherm, fives times lower TCR etc.. or maybe this is Crazy Wire...