Quote Originally Posted by JRLongton View Post
Your readings aren't necessarily off. It's probably that the heat isn't penetrating to the surface. If your ambient temps aren't high enough, a UTH may never be able to create a warm enough hot spot because the heat will dissipate too quickly due to the low ambient temperature.

What's the temp in the room were the enclosure is located? I'll bet it's too low to use only a UTH.

Hook up the CHE to the thermostat and use that. You may need to play with the settings a bit, but I guarantee in short order you'll achieve the right temperature gradient.
Sorry forgot to ask. What's a CHE? I don't think I've heard of that before. Unless I've heard it named something else.

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