Lascar el wifi data logging sensors lascar el wifi tc the lascar el wifi tc is a wifi thermocouple temperature data logging sensor that measures the temperature of the environment in which the probe is situated the accuracy of the k type probe supplied is plusmn15degc data is streamed wirelessly over any wi fi network and can be viewed on a pc using our free software package or on the easylog cloud this software is available to download for free from wwwlascarelectronicscomduring c