Flow measuring device for determining and monitoring liquid level, has memory unit, which is an integral part of device, where data are stored in memory unit and stands in connection with accesses by interface on device

摘要

The device has a sensor unit (1) measuring a process variable and a measuring variable standing in connection with the process variable. An interface is provided, by which the device is accessed. A memory unit is provided, which is an integral part of the device, where data are stored in the memory unit and stands in connection with accesses by the interface on the device. Data are provided with a time point of access by the interface.