Chauvin Arnoux F407, Руководство пользователя

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2.5.2 Access to the True-INRUSH mode ( set to )
This key allows measurement of the True-Inrush current (starting current, or
overcurrent in steady-state operation) for AC or DC current only (not operational in
AC+DC).
Successive
presses on
…serves
long (>2 sec) to enter the True-INRUSH mode
-"Inrh" is displayed for 3s (the backlighting blinks)
-the triggering threshold is displayed for 5s (the
backlighting is steady);
-"------" is displayed and the "A" symbol flashes
-after detection and acquisition, the inrush
current measurement is displayed, after the
calculations stage "------" (backlighting off)
Remark: the A symbol flashes to indicate "surveillance"
of the signal.
to exit from the True-INRUSH mode (return to
simple current measurement).
short (<2 sec)
Note: a short press is
functional only if an
True-Inrush value has
been detected.
-to display the PEAK+ value of the current
-to display the PEAK- value of the current
-to display the RMS True-Inrush current
Remark: the A symbol is displayed steadily during this
sequence.
2.5.3 The MAX/MIN/PEAK mode + activation of the HOLD mode
Successive presses
on
… serve
short
to display successively the MAX, AVG, MIN and
PEAK+, AVG, PEAK-
The values displayed are the same before the
key was pressed.
Note: the HOLD function does not interrupt the acquisition of new MAX, MIN, PEAK
values