Agreed w/ above -- humidity gauges / thermometers aren't very useful.
Is the substrate moist / damp (but not soggy) to the touch? Humidity is fine.
If you stick your hand in the tank, does the air feel warm? Temperature is fine.
Besides, a great deal of gauges aren't much more accurate than that.
If your emperor scorpion stops eating, don't panic.
Be nice -- you were a noob once, too
"Never ask an engineer to explain something, because he will."