I bought two today and put in one of my snakes tank. I put the probe directly over the UTH and underneath the bedding. I have my thermostat set to 88-90 and its only reading 82.

So I placed the probe for the other thermometer I have in between the uth and the glass and that temp. Read what I have the thermostat set at.

Would I get a more accurate temp with the probe between the uth and glass? Or the probe inside the tank on the warm side?

Also what's the deal with the min and max settings?