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Resistance climbing..? (SLB attys)

Discussion in 'Atomizer Issues' started by Disconnect, Feb 7, 2013.

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  1. Disconnect

    Disconnect Ultra Member Verified Member ECF Veteran

    Jan 25, 2013
    Washington DC
    Yesterday I forgot which head I had in a nova (2.4ohm vs 2.8) so I checked them all with my multimeter. Worked fine, gave expected readings (label value + .1ohm from the probes..)

    Today I noticed that I was having to jack the voltage higher to get a good vape, so I whipped out ye olde multimeter again. Most of them are now reading 3+ ohms. (Both the measurements were taken with the attys installed in an SLB Nova, with juice.) I tried puffing one to warm it up a bit and remeasured, got 2.8 (as expected) very briefly, then it started climbing again..

    Have I got dead attys? User error? They are a bit over a week old and none of them have gone through more than a few ml (maybe 10 on the heaviest used and less than 3 on the lightest.) It doesn't seem related to volume - the lesser-used ones are showing the same readings.

    I tried running one through the ultrasonic and it is cleaner but still reads the same 3-3.5 ohms. (With the cap off, it looks like the coil has shifted to one side slightly - there is no reinforcement, just bare coils over the wicks. If that was my problem I would have expected it to short and read low, not high..)

    I'm figuring on upgrading to better attys (cisco has been recommended) once the evic shows up but I'd rather not spend on shipping etc if I'm just gonna blow them again.. I can get the SLBs right up the road for a couple bucks a pop..
     
  2. Disconnect

    Disconnect Ultra Member Verified Member ECF Veteran

    Jan 25, 2013
    Washington DC
    In case anyone finds this later and has a similar problem, it turns out one was well out of spec.. I put it (with much hesitation) on the evic and it also measures anywhere from 3.1 to 3.5..

    I haven't measured the others yet but I think its time for me to find a new supplier for attys.
     
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