Log memory

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A log memory enables the electronic recording of data such as B. Measured values ​​in a time reference.

There are a large number of electronic components for this. The smallest are as big as a button cell and can log temperature and humidity over a certain period of time. Such elements are mainly used to monitor the cold chain in food transport. For this purpose, such a log memory is attached in or on each transport container, which provides precise information about the environmental conditions of this container over a period of up to several weeks.

The measured values ​​are collected at adjustable time intervals and stored in the chip together with the date and time. A reader can read out the memory and process the data graphically or forward it to a computer system for processing.