The exoterra is a decient unit. I my experience is they are consistent to each other and acceptably accurate. (better by a fair bit than the three accurite units I have owned) ideally under your hot side hide will read close to 90degrees and the cool side close to 80 degrees the ambient air temps taken middle of the enclosure and 2-3 inches from the floor can be as cool as 76 and up to 85 for an ideal situation. They can tolerate beyond these figures but this is a good general guideline.
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