Calibrators
Performance Tests
25
Upper Display Voltage Measurement Tests
1. Press RESET on the 5520A.
2. Press l on the UUT until V appears on the upper display.
3. Make the connections shown in Figure 2.
4. Set up the 5520A to output each of the voltages in Table 7 and verify that the UUT
readings are within the limits shown.
5. Press STBY on the 5520A.
aal03f.eps
Figure 2. Upper Display Voltage Test Connections
Table 7. Upper Display Voltage Readings
5520A Outputs 724/725 UUT Readings 726 UUT Readings
0.000 V -0.002 V to +0.002 V -0.002 V to +0.002 V
15.000 V 14.995 V to 15.005 V 14.996 V to 15.004 V
30.000 V 29.992 V to 30.008 V 29.995 V to 30.005 V
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