Greisinger standard signal data logger t logg 120x series greisinger t logg 120k p the greisinger t logg 120k 0 10 is a standard signal data logger that has been designed as a cost efficient solution for monitoring standard signals the last 16 000 measuring values can be stored in the memory in addition the lcd display indicates both the temperature measured at the moment and the operating status of the logger p greisinger t logg 120k 0 10 standard signal data logger