I always use a backup humidity gauge/ temperature gauge ( 3 in fact) , in my incubators, too. Gives me a more accurate idea exactly what exactly the humidity and temps really are. Most of the time its spot on with the displayed readings of the incubator.
I have a NR 360 also and its the newer...
Hovabator Genesis 1588
Preset temperature control and fan. My personal favorite. No egg turner but you can buy the Little Giant turner and use. Thats what I did. Its styrofoam but Ive never had trouble cleaning it.
Incuview
Preset temperature control and humidity gauge. Comes with egg turner...