Input 1 And 2 High Voltage Ac & Dc Accuracy Test - Fluke 43B Service Manual

43B
Service Manual
4. Set the 5500A to source a sine wave, to the first test point in Table 4-6 (NORMAL
5. Observe the Input 1 and Input 2 main reading and check to see if it is within the
6. When you are finished, set the 5500A to Standby.
5500A output, Vrms (sine)
4.5.13 Input 1 and 2 High Voltage AC & DC Accuracy Test
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.
4-22
•
Press to select Input 2 READING.
•
Press to select the Input 2 READING.
•
Press to highlight Phase.
•
Press to confirm;
•
Press to highlight Input 2 Coupling.
•
Press to select the Input 2 COUPLING.
•
Press to highlight DC Coupling.
•
Press to confirm;
•
Press to return to SCOPE.
output, WAVE sine).
range shown under the appropriate column.
Table 4-6. Phase Measurement Verification Points
1.5V
mark changes to I.
mark changes to I.
5500A Frequency
400 Hz
Warning
Reading 1 & 2
-2 to +2 Deg