i Button-Thermocron-temperature-logger-Dallas-Semiconductor-DS1921G-F5-This-Thermocron-i Button-is-a-versatile-self-sufficient-system-that-is-used-for-the-measurement-&-recording-of-temperature-Data-transfer-is-effected-via-a-1-Wire-protocol-BR-BR-The-rate-of-measurement-can-be-user-defined-&-results-stored-as-a-discrete-temperature-or-as-a-histogram-Up-to-2048-readings-can-be-taken-at-equidistant-intervals-ranging-from-1-to-255-mins-The-device-can-in addition-record-such-paramet