I purchased an Acurite 278 and the stainless part of the probe is 5 inches. The first 2'' part of the probe is narrow and it widens further up. It doesn't seem right that I would have to insert the full 2 inches of the probe to get an accurate internal temp but if I place the tip in a glass of ice water I get a cold temp and if I touch above the tip with my fingers the temp rises. That means that the exposed part of the probe is reading the air temp so does that mean I have to insert the probe a whole 2 inches into the meat? Just doesn't seem right. I hope you are understanding what I am asking.