43
Connecting Cables
6
Configure the current sensor.
-1.Select the measurement mode.
AC.
DC.
AC/DC
-2.Select the output mode.
-3.Select the output rate.
Refer to the table of output rates and corresponding measurement ranges.
7
Start measurement after configuring the LR8513.
8
Once measurement is complete, disconnect the current sensor from the
conductor being measured and turn off the LR8513.
The values displayed by the CM7290/CM7291 and the LR8513 may differ due to differences
in the devices’ accuracy.
When measuring a negative DC current in AC/DC measurement mode, the CM7290/CM7291
and LR8513 may indicate different polarity readings.
The table of output rates and corresponding measurement ranges
Model
CM7290/CM7291
output rates
LR8513
measurement ranges
CT7631/CT7731
10mV/A
10A
1mV/A
100A
CT7636/CT7736
10mV/A
20A
1mV/A
200A
CT7642/CT7742
1mV/A
200A
0.1mV/A
2000A
CT7044/CT7045/CT7046
10mV/A
50A
1mV/A
500A
0.1mV/A
5000A
*Disable the CM7290/CM7291’s 10× output function.
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