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In AC and AC+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
jaws around the conductor to be measured.
2.
Perform a long press on the
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
PEAK+/PEAK- values subsequently.
4.
A long press on the
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
1st row
Total RMS current in A RMS or TRMS
2nd row
Crest factor (CF)
3rd row
DC current component A
, correct the DC zero (see §3.9.2), then clamp the
Display
1st row
"Inrh"
2nd row
True Inrush value in A
3rd row
Triggering threshold in A
Quantity
button. The InRh symbol is
button or a change of function on the rotary
Quantity
30
DC
button will display the
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