Title: Nice product but there are concerns in accuracy
Product review: I bought this item because I really need to know temperatures and relative humidity for my manufacturing process in my small family business. I followed up the instructions and placed the main unit side by side to the external temperature sensor. The unit has an internal temperature sensor as well. The external temperature sensor showed a difference of 3 to 5 degrees with the temperature of the unit. This difference is big enough to cause trouble in my process. Besides this, the product works nice, it has a clear display and it is easy to use. Since I don't live in the US, the autoadjustment of the time does not work.
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