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I have aU1241B multimeter which is under a year old and from new I have been wondering about the temperature reading. When no sensor is connected the reading is 5 degrees C off. The room temperature is about 23C and the meter shows 18C. Seems like off spec?

Originally posted Jun 23, 2016   How to avoid fooling yourself   Some years ago I bought an old building lot for a house, and hired a surveyor because the original lot markers were all gone. It was a tough measurement task because nearby reference monuments had also gone missing since the lot was originally platted. Working from the