I never measured mine.
I do the hand touch test:
At the top---------Ouch
At the Chip Dumper--------Ouch-Ouch--Yowooo-Ouch!!!
If I think of it I'll shoot those places next time I use it. I hate to get my infra-red gun out-----When I pull the Velcro pouch open, Smokey comes running---Thinks I'm gonna let him chase the little red dot all over the place!!!
So I got my AMPS today, fired up the smoker to 275* to bake off the shipping oil on the AMPS, and also brought out my IR heat gun... The whole left side and back side were 85-90 degrees. The right side was a little hotter... top of right side was about 100-110 and, as we all know, the lower I went, the hotter it got. I found one spot near the chip dump that hit 155-160* (if you look at the chip dump as a clock, it would have been between 9 and 10 o'clock). Then, being curious, I checked the front window also. This was actually the hottest part of the whole thing. it was 160-170 and higher. Don't touch the glass. haha. I'll be doing a brisket once I get the OK from Masterbuilt... still waiting to hear back on the "crunchy" insulation. I made a video and posted to youtube for my customer service rep to check out. Heres the link if anyone else is curious what I'm talking about: https://www.youtube.com/watch?v=OjIrRL-8QCU