Why the limit?

[Disastrous]

I have a 134 mini and have a question...
Why is there a resistance limit of 1.2 ohms?
If I set my VW to 12.5 with a 0.6 ohm coil, my voltage would be 2.738 and my amps would be 4.5643.
Both of those values are under the maximum allowable output. So again, why the limit? Also any information that would help my understanding of vape experience at these values would be helpful.
Regards,
Mark

 

[Stringplucker]

My understanding is that it could fry the electronics, at least that's what I was told. The heat at the connection with lower ohm heads could cause soldered connections to fry.

 

[K_Tech]

I am only theorizing here, but I think it's possible that operating envelopes for vape gear are set for reasons of economics and popularity. I can program, test, and manufacture a 134 mini to work with sub-ohm coils. But how many people will use it for that? Even with the rising popularity of sub-ohm capable devices, I don't think they're in as wide-spread use as "standard" devices. Yet.

Most mass-produced coils come in the same range that most mass-produced APV's operate in (and vice-versa).

Coincidence? I think not.

 

[Sthur]

That a minimum 1.2 ohm coil you need to be above that to fire.

Maximum output voltage： 6.0V (unloaded)
Maximum output current： 5.0A（Built in 7A fuse for protection and stability.）
Maximum output wattage： 12.5W(Watts mode)
Resistance of clearomizer： 1.2 ohm (minimum)
Battery: Fits 18350 or 18500 (IMR high drain without protection, maximum current output is more than 5000mA.) iTaste 134 Mini cannot use 2 stacked batteries and any other types of batteries may damage your iTaste 134 Mini.

Innokin iTaste 134 Mini - 18350/18500

 

[Disastrous]

My understanding is that it could fry the electronics, at least that's what I was told. The heat at the connection with lower ohm heads could cause soldered connections to fry.

Isn't the amount of heat determined by the wattage? Since I am using a VW device, wouldn't the heat generated be constrained between my settings of 6-12.5? I guess my biggest issue is that they have limited everything. Why would you need a resistance limitation when there are voltage, currant, and wattage limitations that would already prevent too low a resistance from firing?

edit: I'm not saying you are wrong, just trying to understand the manufacturor's logic in multiple limitations.

 

[Disastrous]

I am only theorizing here, but I think it's possible that operating envelopes for vape gear are set for reasons of economics and popularity. I can program, test, and manufacture a 134 mini to work with sub-ohm coils. But how many people will use it for that? Even with the rising popularity of sub-ohm capable devices, I don't think they're in as wide-spread use as "standard" devices. Yet.

Most mass-produced coils come in the same range that most mass-produced APV's operate in (and vice-versa).

Coincidence? I think not.

I see what you are saying. I think more versatility would be a better selling point. If I could run a 0.6 ohm coil at 12.5 watts and still not breach the voltage and current limitations, why set the resistance limitation to twice that value (1.2)?

 

[wv2win]

Get a DNA 30 and the problem is solved.

 

[K_Tech]

I see what you are saying. I think more versatility would be a better selling point. If I could run a 0.6 ohm coil at 12.5 watts and still not breach the voltage and current limitations, why set the resistance limitation to twice that value (1.2)?

Guessing again, but it would probably raise the cost above their target price.

Get a DNA 30 and the problem is solved.

Sort of, but not really. With a fully charged battery in a DNA30, you're probably going to be in the 20+ watt range with a 0.6 ohm coil (based on what I've seen on my DNA mods).

 

[Topwater Elvis]

May be the buck/boost circuit they use isn't capable of reducing the V to under 3V. (Many APV's do not 'go' under 3v)
Or, could be the chip set requires x volts to operate when combined with the atty load the total power output is more than the designed parameters.