I hit TC on every vape - just like it SHOULD be.
While the TC40W does seem to read high and run low, once a setting (ignore the "F" or "C" value) 'sweet spot' is found it appears to deliver consistent vapor - hit after hit.
I've tried three different
tanks: STM, Atlantis2 and Lemo2 (with multiple different
coils in the RTM's) and the TC40 seems to do its job. I've been running ~80F higher on the TC40 than my other TC mods.
Given that someone did the "dry cotton test" with the TC40 and was unable to damage the dry cotton at even 600F and I plan to only use RTA's on the iStick, I'm not to worried if the TC40 actually does damage my wick.
I love the size, weight, cost and formfactor. While the overly optimistic temperature might be hint as to the low vapor production market the device was designed/intended for, I plan on using mine every day.