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Junior Member
Posts: 2
Reply with quote  #1 
Hi I just recently got a dna 250 and when I vape in watt dominant mode my ohms keep increasing by a lot.  In the other mods I've used when you attach the atty the ohms are set and don't change but with the triade when I've finished taking a hit on a .25 ohm atty it will say the ohms are .36-.37 I've tried locking the ohms as well but it doesn't seem to help. Am I missing something or is there a way to keep the ohms from changing so much?  Im vapping at 85 watts with the temp set to 430f. Thanks.

Senior Member
Posts: 296
Reply with quote  #2 
Welcome. What you're seeing is perfectly fine and normal. The values you are seeing are the current/live values of your coil due to heat. These boards also have a feature called 'refinement' which gets disabled if you lock the ohms. Locking the ohms on a DNA board is not mandatory.

From the DNA 250 datasheet

Ohms display: The resistance of the atomizer attached to the device. When using a temperature sensing coil, this is the normalized resistance of the coil at 70°F 

Resistance lock: The DNA 250 relies on the cold resistance of the atomizer to measure temperature accurately. If the connection is not stable or if you find the measured resistance drifts with time, it may be desirable to lock the atomizer resistance. To do so, while locked hold both the Fire and Up buttons for two seconds to enter Resistance Lock mode. In this mode, the DNA 250 will use the present atomizer cold resistance without refinement until the atomizer is disconnected or the resistance lock is disabled. A lock symbol will replace the ohm symbol on the display. To disable resistance lock, repeat the procedure to lock it.

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