This is for my sleeping porch, I realized last week it was stuck on 80 degrees and so I changed the batteries.... last night I decided it was a tad too hot to sleep outside.... thermometer said 86.... so I slept inside and when I got up this morning it said the temperature on the porch was 101. The roof top weather station was reading 76 and so something was not right. I brought the sending unit in, changed the batteries and even took it apart trying to find and adjustment....now it is reading 5 degrees off... but I think if I put it back out in the heat it will vary even more.... can't figure out what changed.....
This is the sending unit and receiver side by side.
This is the sending unit and receiver side by side.