SEFRAM 7205 Manuel D'utilisation page 43

Peak Hold (for AC only)
Press Button > 2 sec
Leave the peak hold mode
In the Peak Hold function ,the meter records the peak min. value
and the peak max. value when the inputs goes below the recorded
peak min. value or above the recorded peak max. value ,the meter
records the new value . Press Hold button to pause the recording.
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M 7205-6-7 M 00