Operation; Current Measurement - AEMC MN261 User Manual

Ac current oscilloscope probe

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4.1

WARNING: Always connect the probe to the instrument before

clamping onto the circuit under test.

• Connect the Model MN261 to the proper input channel on the

oscilloscope.

• Begin with the least sensitive range on the current probe (10mV/A).

• Select the 0.5V/Division range on the oscilloscope.

• Clamp the probe on the conductor to be measured and read the

current flowing directly on your oscilloscope.

(Remember to unclamp the probe from the conductor before disconnect-

ing it from your meter or instrument.)

You may also use your oscilloscope to amplify the signal while using

the 1mV/A probe range (which offers the best accuracy and least phase

shift).

NOTE: It is possible to change the range on the current probe with-

out removing the probe from the current carrying conductor, but it is

important to remember not to exceed the permissible peak ratings

of 340mV peak or 680mV peak to peak maximum. The peak ratings

by range are: 34A peak @ 100mV/A and 340A peak @ 10mV/A.

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CHAPTER 4

OPERATION

AC Current Oscilloscope Probe Model MN261

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