Built-in Gateway Temp Sensor vs TSTAIN


I have a 3rd party temp sensor in a cooler that is reading from 58-61 degrees F. In the same room the built in temp sensor on the gateway is reading from 65-68 degrees F. I switched out the gateway and its getting the same reading as the first gateway. I added a TSTain sensor and it seems to be reading correctly around 60 degrees. Why are the built in sensors calibrated different. How can I fix this and why are they shipped out with different calibrations?


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