Sonel CMM-30, User Manual

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CMM-30 – USER MANUAL
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6.3 MAX/MIN/AVG button

To enable the mode, press MAX/MIN/AVG.

Press MAX/MIN/AVG button to switch between the extreme val-
ues of the on-going measurement.

Symbol MAX symbol
– the meter displays the highest value
out of existing measurement readings.

MIN symbol
– the meter displays the lowest value out of exist-
ing measurement readings.

AVG symbol
– the meter displays the average value of exist-
ing measurement readings.

To disable the function, press and hold MAX/MIN/AVG button for
approx. 1 second .

When the function is activated, the automatic adjustment
of the measuring range is not available.

If the reading is outside the measurement range, symbol
OL is displayed In this situation, turn off the function and
manually switch to a higher range (use RANGE button).

This function is not available for measuring frequency,
duty cycle and temperature.
6.4 PEAK button
6.4.1 Flashlight
Shortly press PEAK , to turn on or off the flashlight mode.
6.4.2 PEAK function
PEAK function is intended to measure peak values and it is dif-
ferent from MAX function, which measures maximum values, by the
duration of recorded event. In case of PEAK function, it is
1
μs
. This
allows user to record very short alternating voltage surges.
The meter will update the display each time a lower negative, or
higher positive peak occurs. Auto Power Off feature will be disabled
automatically in this mode.