UTH Not working?

[Crazymonkee]

How thick is your substrate? have you tried moving the substrate away and using your temp gun to measure what that temp is?

I was gonna ask the same, you can't have too thick of a layer of substrate or the heat will not pass through, move the substrate and temp it

[pbyeerts]

My substrate is thin - just a few paper towels and some repti-bark.


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[Crazymonkee]

With both I would say that's your problem... move them away and test right above the mat. You may need to turn it up a lil to get the heat to go through it all... I would use or the other personally so ya don't have to turn it up.