I have a LG still air - got 24 eggs ready to hatch in it right now!
I use 3 thermometers:
1 on the "floor" of the 'bator... usually runs about 98 - 99
1 on top of the eggs... usually reads about 102-103
1 is a "probe" type... i put it at egg level in a kind of water wiggler (I incubate in...