SEFRAM 7220 Manuel D'utilisation page 41

Data Logger
The meter can store up to 4000 data in memory.
Press Bluetooth button for more than 2 seconds to activate
Data logger mode. The meter will enter Time interval setting
mode. Press Bluetooth button again to select time interval.
The interval can be 1 second, 5 seconds, 10 seconds, 30
seconds, 60 seconds.
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Start to record auto
matically after 2 sec
without operaction.
LOG icon flashes while logging
 Caution
All stored data will be cleared next startup. Download the stored
data by App first if needed.
Time interval setting mode
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