Hello BSTRobin, When you say it's better to set from 200 to 400, can you explain the criteria for "better"? How exactly is it better? I did look at the app note that you referenced. There is nothing in it that deals with appropriate heater temperature ranges. However, it did contain several examples that go outside of the range of 200 to 400. Specifically, it shows several heater profiles that use a heater temperature of 100. So I don't understand the 200 degree minimum. So I'm going to assume that 100 degrees is OK. So then let me restate my original question. How high can I take the heater temperature before I cause damage or loss of accuracy? The target resistnace regesiter allows temperatures approaching about 830 degrees. Can we actually safely program the temperatuer to that level? Thank you again, Gary Marks
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