Ac Current Measurement ( Clamp On ); Dc Current Measurement ( Clamp On ) - Tektronix CM-9930 Operation Manual

Dca/aca clamp meter
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5-6 AC Current Measurement ( Clamp on )

1) Select the " Function rotary switch " ( 3-4, Fig. 1 ) to the
" 2000A " position then push the " FUNC. button "
( 3-9, Fig. 1 ) for display show "
2) Press the " Trigger " ( 3-2, fig. 1 ) to open the " Current
Sensor Jaws " ( 3-1, Fig. 1 ) & clamp on the
measure conductor only.
Consideration :
Recommend use the "auto range "mode typically.
a.
However if push the " Range button " ( 3-10, Fig. 1 )
will hold the range.
For safety reason, please insert the " Terminal rubber
b.
cover " ( Fig. 4 ) for protection.

5-7 DC Current Measurement ( Clamp on )

1) Select the " Function rotary switch " ( 3-4, Fig. 1 ) to the
" 2000A " position then push the " FUNC. button "
( 3-9, Fig. 1 ) for display show "
2) Push the " DCA zero button " ( 3-5, Fig. 1 ) at least 2 seconds
to let the display show " ZERO " value.
3) Press the " Trigger " ( 3-2, fig. 1 ) to open the " Current
Sensor Jaws " ( 3-1, Fig. 1 ) & clamp on the
measure conductor only.
Consideration :
Recommend use the "auto range "mode typically.
a.
However if push the " Range button " ( 3-10, Fig. 1 )
will hold the range.
For safety reason, please insert the " Terminal rubber
b.
cover " ( Fig. 4 ) for protection.
Fig. 4
9
".
".

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