Testing Performance 2
5000 Series Oscilloscopes Service Guide 25
c Press the Acquire key. Then, press the Acq Mode softkey
until Averaging is selected. Finally, press the #Avgs softkey
and turn the Entry knob to set the number of averages to
64.
Wait a few seconds for the measurement to settle.
2 Press the Cursors key, set the Mode softkey to Normal, then
press the XY softkey and select Y. Press the Y1 softkey, then
use the Entry knob (labeled on the front panel) to set
the Y1 cursor on the baseline of the signal.
3 Use the BNC tee and cables to connect the oscilloscope
calibrator to both the oscilloscope and the multimeter (see
Figure 1).
Tab le 4 Settings Used to Verify Voltage Measurement Accuracy
Volts/Div Setting Oscilloscope
Calibrator Setting
Test Lim its
5 V/Div 35 V 34.04 V to 35.96 V
2 V/Div 14 V 13.616 V to 14.384 V
1V/Div 7V 6.808V to 7.192V
500 mV/Div 3.5 V 3.404 V to 3.596 V
200 mV/Div 1.4 V 1.3616 V to 1.4384 V
100 mV/Div 700 mV 680.8 mV to 719.2 mV
50 mV/Div 350 mV 340.4 mV to 359.6 mV
20 mV/Div 140 mV 136.16 mV to 143.84 mV
10 mV/Div 70 mV 68.08 mV to 71.92 mV
5 mV/Div 35 mV 34.04 mV to 35.96 mV
2mV/Div
1
14 mV 13.232 mV to 14.768 mV
1
Full scale is defined as 32 mV on the 2 mV/div range. On all other ranges full scale is defined as 8
divisions times the V/div setting.
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