LogTag Data Loggers LogTag Data Loggers are a cost effective, high performance, life-of-battery Cold Chain shipping solution. Using free software, LogTag’s ALERT functionality can be configured and recorded temperatures can be downloaded and analysed.Single-Use Data LoggersSingle-Use Data LoggersMulti Use USB Data LoggersMulti Use Data LoggersLED Temperature DisplaysLED Temperature DisplaysLow-Temperature Logger -80 degrees