Can't say I have ever bothered with the IT of burgers. I cook till the juices run clear. Are you reverse searing them? Good luck.
BWS Party |UDS|Great Outdoors Propane Vertical|Maverick ET-73 |Maverick ET-732 |Super Fast Orange Thermapen | BBQ Guru DigiQ |Two 100 QT crawfish boiling rigs | LEM Meat Grinder | Grizzly Sausage Stuffer
Smokin-n-Style BBQ Team - Pitmaster
Lagniappe Chili Team - Head Cook