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IM 701931-01E
Demagnetizing and Zero Adjustment
CAUTION
• When disconnecting the output connector, be sure to release the lock before
pulling the connector. Forcibly pulling the connector without releasing the lock,
or pulling on the cable will result in damage to the terminator.
• If using BNC-banana plug or similar adapters to connect to input terminals other
than BNC connectors, make sure the polarity is correct.
• Do not demagnetize when the clamp is connected to a conductor. Doing so
might damage the components of the circuit being measured.
• Do not begin supplying power to the 701931 after the clamp has been connected
to a conductor. Doing so might damage the components of the circuit being
measured.
1.
With the waveform measurement instrument input at ground, adjust the
trace to the zero position.
2.
Set the input coupling of the waveform measurement instrument to DC.
3.
Connect the output connector of the 701931 to the input connector of the
waveform measurement instrument. Turn the clamp lever until it clicks,
and check that it is locked securely.
4.
Without clamping the conductor to be measured, press the clamp
lever until the
LOCK
indication appears (and the
UNLOCK
indication
disappears), and then check that the clamp is properly closed.
5.
Press the demagnetizing switch (DEMAG) on the terminator.
6.
Turn the zero adjustment dial on the terminator to adjust the trace to the
zero position.
Note
• The output of this unit is terminated internally. Use a high-impedance input to the
measuring instrument. With an input impedance of 50 Ω, accurate measurement
is not possible.
• Oscillation may occur when you execute DEMAG, but this has no effect on
measurements.
• The positive side of the waveform that is generated when you execute
DEMAG may not be symmetrical to the negative side, but this has no effect on
measurements.
