In case of doubt about the temperature of the wine, you can perform two consecutive measurements with the device by selecting the upper and lower temperatures near the temperature of your wine. For example, if the wine temperature is positioned between 12°C and 13°C. You can perform a first measurement by selecting a temperature of 10°C on the device, and make a second measurement by selecting a temperature of 15°C on the device. If the displayed values are different, you can make an average of the two results provided by the device.