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®
R&S
RT-ZS60
6.2
DC Offset
The zero error of the probe-oscilloscope system and the zero error of the R&S
ProbeMeter are checked.
Test setup:
R&S RTO settings:
Measurement:
User Manual 1418.7342.02 ─ 02
●
Probe connected to CH1 of the R&S RTO oscilloscope
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Inserted signal pin
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Signal and ground terminal of the probe shortened by mini clip;
make sure that there is no other ground connection.
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Horizontal scale = 10 µs / div
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Vertical scale = 10 mV / div
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Trigger source = Ch1, Trigger mode = Auto, Run cont
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ACQUISITION key > Decimation = 'High res' > Waveform Arithmet-
ics = 'Average' > Average Count = 16
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"Meas" menu > Setup > Source = 'Ch1' > Main Measurement =
'Mean' > State = 'on'
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CH1 key > Offset = 0 V, Position = 0 div
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"Vertical" menu > Probe Setup > Ch1 > ProbeMeter = 'on' > Micro
button action = 'Auto zero'
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Check displayed values in the "Measurement Results" box:
Mean: 0 V ± 10 mV
ProbeMeter: 0 V ± 4 mV
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Press the micro button: The Auto Zero function automatically com-
pensates the zero error of the probe-oscilloscope combination.
●
Check again the measurement results:
Mean: 0 V ± 2 mV
Functional Check
DC Offset
44
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