AEMC 407, Руководство пользователя

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In AC and AC+DC:
Display Quantity
1st row Total RMS current in A RMS or TRMS
2nd row Crest factor (CF)
3rd row DC current component A
DC
3.9 STARTING CURRENT OR OVERCURRENT (True InRush
™
)
MEASUREMENT
NOTE: The measurement can be made only in AC or DC mode (AC+DC mode
disabled).
To measure a starting current or overcurrent, proceed as follows:
1. Set the switch to , correct the DC zero (see §3.9.2), then clamp the
jaws around the conductor to be measured.
2. Perform a long press on the button. The InRh symbol is
displayed, along with the triggering threshold. The clamp then awaits
detection of the True InRush
™
current. "------" is displayed and the A
symbol flashes.
3. After detection and acquisition for 100 ms, the RMS value of the True
InRush
™
current is displayed. Pressing the button will display the
PEAK+/PEAK- values subsequently.
4. A long press on the button or a change of function on the rotary
switch will exit the True InRush
™
mode.
NOTE: The triggering threshold in A is 20A if the initial current is zero (starting of
installation). For an established current (overload in an installation) see §3.4.2.
Display Quantity
1st row “Inrh”
2nd row True Inrush value in A
3rd row Triggering threshold in A