Klein Tools CL900E Gebrauchsanleitung Seite 10

ENGLISH
AC/DC CURRENT (LESS THAN 2,000 A)
AC current is measured by pressing the
clamp trigger
11
placing it around a wire carrying a current.
When measuring, care should be taken to
ensure that the clamp is
closed, with the trigger
that the wire passes perpendicularly through
the centre of the clamp
arrow markings
To measure current:
1. Rotate the Function selector switch
2. The meter defaults to AC measurement. To measure DC, press
the 'SEL/DC ZERO' button
modes. The AC or DC icon on the LCD
indicates which mode has been selected.
Note 'AC' or 'DC' on the display.
3. Place the clamp
When measuring DC current, align the
polarity markings
the polarity of the wire to avoid negative
readings. The current measurement will be shown on the display.
The meter will auto-range to display the measurement in the
most appropriate range.
To measure inrush current:
1. Rotate the Function selector switch
Place the clamp
display 1 will show '----'. Initiate the inrush event and the inrush
current will be captured and presented in the display. Pressing
'INRUSH' a second time
'----' will be presented on the display and the meter will wait for
the next inrush event.
2. Press and hold 'INRUSH'
to normal measuring mode.
Disconnect test leads when measuring with the clamp.
NOTE: If non-zero values are displayed prior to measuring in DC
current mode, an offset correction is required to improve accuracy.
With the meter in DC current mode, press and hold the
'SEL/DC ZERO' button
DC current ZERO function. Subsequent DC current measurements
will automatically subtract the measurement that was initially
present as an offset correction.
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OPERATING INSTRUCTIONS
to open the clamp
completely
3
fully released, and
11
in line with the
3
.
12
around the wire.
3
on the clamp with
16
around the wire and press 'INRUSH'
3
will reset the inrush measurement,
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10
for more than one second to initiate the
9
and
3
to the Current A
2
to toggle between AC and DC
9
to the Current A
2
for more than one second to return
setting.
setting.
. The
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