Sonel CMP-3000, Руководство пользователя

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CMP-3000 – USER MANUAL
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6 Special features
6.1 Button HOLD
6.1.1 HOLD function
This function is used to 'freeze' the measurement result on the
display. To do this, shortly press HOLD button. When the func-
tion is enabled, the display shows symbol HOLD .
To return to the normal operation mode of the device, press
HOLD button again.
6.1.2 Display backlight
Pressing and holding HOLD button for 2 seconds will turn
ON/OFF the display backlight function.
6.2 Button INRUSH/PEAK
6.2.1 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 ms .
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.

To enable the mode press and hold INRUSH/PEAK button for
approx. 3 seconds .

To disable the mode, press and hold INRUSH/PEAK button.

This function is available only when measuring AC volt-
age and current.

While PEAK is active, autoranging is disabled, therfore it
is advised to start the function after connecting test leads
to the measurement point. Running PEAK before that
may cause overrange symbols to appear.