43B
Service Manual
4-22
• Press
to select Input 2 READING.
• Press
to select the Input 2 READING.
• Press
to highlight Phase.
• Press
to confirm; mark changes to ■.
• Press
to highlight Input 2 Coupling.
• Press
to select the Input 2 COUPLING.
• Press
to highlight DC Coupling.
• Press
to confirm; mark changes to ■.
• Press
to return to SCOPE.
4. Set the 5500A to source a sine wave, to the first test point in Table 4-6 (NORMAL
output, WAVE sine).
5. Observe the Input 1 and Input 2 main reading and check to see if it is within the
range shown under the appropriate column.
6. When you are finished, set the 5500A to Standby.
Table 4-6. Phase Measurement Verification Points
5500A output, Vrms (sine) 5500A Frequency Reading 1 & 2
1.5V 400 Hz -2 to +2 Deg
4.5.13 Input 1 and 2 High Voltage AC & DC Accuracy Test
Warning
Dangerous voltages will be present on the calibration source
and connecting cables during the following steps. Ensure that
the calibrator is in standby mode before making any connection
between the calibrator and the test tool.
Proceed as follows to test the Input 1 & 2 High Voltage DC Accuracy:
1. Connect the test tool to the 5500A as shown in Figure 4-6.
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