I think you guys are barking up the wrong tree with this sensor. The overwhelming majority of sensors used in solar are normal 2 wire 1k or 10k thermistors and they are cheap and accurate.
I have made 100s of them and potted them in 3/8" copper tube and then it is inserted in to a 1/2" copper tube which is soldered to the top header of the panel. Works great and is easy to do.
If you want to use the sensor you have, you will have to get some silicon insulated wire for the first 6 inches away from the panel, otherwise you will melt the insulation.
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