Masterbuilt XL temperature difference top rack using Maverick ET 732

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jd2220

Newbie
Original poster
Jun 8, 2012
26
12
Kansas
I am currently smoking some ribs and I am using the Maverick ET 732.  I have the barbecue probe on the top rack at rear of rack near the exhaust vent and the food probe inside a potato on the second rack from the top.  

I also have a oven thermometer hanging on the third rack.

The smoker is full as I have 3 rib ends that I trimmed spares to St.Louis on the top rack, I have 3 racks of st.louis on second rack and 3 racks of baby backs on the third rack.  The fourth rack has a couple of drip trays and one of them has skirt trimmings.

I am using sand inside of a roaster pan at the bottom with a small water pan inside.

Temperature of both the door thermometer and probe inside the potato on 2nd rack are about the same 225 the third rack down with the oven thermometer is also around 223 or so.  

However the barbecue probe on the top rack is reading about 271 and has been 45 to 50 degrees higher most of the time.  I have it mounted on the probe clip above the rack.

Should the top rack be so much hotter?  Any input would be appreciated.
 
Last edited:
Since heat rises I don't think it would be unusual for the top to be hotter. If you really want to get an accurate comparison try using the smoker probe only (the short one) and move it around taking readings at differant spots in your smoker. Your meat probe might give you a differant reading of the air temp inside your smoker than the probe designed for that purpose. I would do this sometime with your smoker empty. Putting cold meat in can bring your temps down, but it should stabilize as the meat comes up to temp.
 
Thanks for input.  Definitely was caused by meat temperature.  Eventually both probes were close in temp.
 
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