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Measuring Procedure

R&S

RT-ZC31

22User Manual 1801.4949.02 ─ 01

3. Wait for at least 30 minutes after starting the power supply to the device

before executing demagnetization and automatic zero-adjustment. Otherwise

the offset voltage may increase due to the heat generation of the device.

4. Make sure that there is no conductor in the sensor aperture.

5. Press the opening lever until the JAW UNLOCK indication disappears. Ensure

that the sensor head is properly closed.

6. Press and hold the DEMAG/ AUTO ZERO key for about 1 second. Zero-

adjustment is performed after demagnetization.

The process takes about 20 seconds. During demagnetizing, a demagnetizing

waveform is shown on the oscilloscope. The positive and negative compo-

nents of this waveform may be asymmetrical.

Note: If the DEMAG/AUTO ZERO LED continues flashing instead of turning

off when the DEMAG/AUTO ZERO key is pressed, demagnetization and zero

adjustment did not complete normally.

To halt demagnetization or automatic zero-adjustment in the middle of its

execution

► Pull the unlock lever toward you to unlock the upper jaw.

After you halt demagnetization or automatic zeroadjustment, re-execute

demagnetization and automatic zero-adjustment before taking a measure-

ment.

To execute automatic zero-adjustment alone (without executing demagneti-

zation)

► Press the DEMAG / AUTO ZERO key momentarily. Do not hold down the key.

Demagnetizing and Zero Adjustment

R&S RT-ZC31 User Manual

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