I have an observation. The Pampered Chef model is a THERMO-tech brand that is available at Kitchen Collection, Linen and Things and a Im sure a bunch more retail outlets. I have bought 3 of them, and I find they read about 3 degrees cool after you pass 80 degrees. I used my first one in homebrewing to measure the sparge temp of my water and also the boil. They work fine, but the probes go bad after awhile. I think I screwed up one of them cleaning the probe. They only run 15-18 bucks locally. Pampered Chef is a ripoff at 39 bucks.
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Other half of the Cat Sass BBQ team
18.5 " WSM X2
Weber Gold Kettle 22 1/2"
Weber 18 1/2 "
Brinkman Gourmet Smoker(retired)
Brinkman 2400 Pro (using sideburner as Charcoal starter)