Fluke 123B/S Service Manual - Page 79

Resistance Measurements Test, Continue through the test points.

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4 Performance Verification 4.5 Input A and Input B Tests 3. Using set the Input A and B sensitivity to the first test point in Table 4-7. The corresponding range is shown in the second column of the table. 4. Set the 5500A to source the required AC voltage (NORMAL output, WAVE sine). 5. Observe the Input A and B main reading (V DC) and secondary reading (V-AC) and check to see if it is within the range shown under the appropriate column. 6. Continue through the test points. 7. When you are finished, set the 5500A to Standby Sensitivity (Scope) 200V/div 500V/div Table 4-7. V DC and V AC High Voltage Verification Tests Range (Meter) 5500A output Vrms 5500A Frequency Main (DC) Reading A-B 500V 1250V 0V +500V -500V 500V 500V 600V 600V +600V -600V 0V DC DC DC 60Hz 10 kHz 10 kHz 60Hz DC DC DC -000.5 to +000.5 +497.0 to +503.0 -497.0 to -503.0 +0.592 to +0.608 -0.592 to -0.608 -0.005 to +0.005 Secondary (AC) Reading A-B 494.0 to 506.0 486.0 to 514.0 0.570 to 0.630 0.584 to 0.616 4.5.15 Resistance Measurements Test Proceed as follows: 1. Connect the test tool to the 5500A as shown in Figure 4-7. Figure 4-7. Test Tool Input A to 5500A Normal Output 4-Wire ST8003.WMF 4-21

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Performance Verification
4.5 Input A and Input B Tests
4
4-21
3.
Using
set the Input A and B sensitivity to the first test point in Table 4-7.
The corresponding range is shown in the second column of the table.
4.
Set the 5500A to source the required AC voltage (NORMAL output, WAVE sine).
5.
Observe the Input A and B main reading (V DC) and secondary reading (V-AC) and
check to see if it is within the range shown under the appropriate column.
6.
Continue through the test points.
7.
When you are finished, set the 5500A
to Standby
Table 4-7. V DC and V AC High Voltage Verification Tests
Sensitivity
(Scope)
Range
(Meter)
5500A
output Vrms
5500A
Frequency
Main (DC)
Reading A-B
Secondary (AC)
Reading A-B
200V/div
500V
0V
DC
-000.5 to +000.5
+500V
DC
+497.0 to +503.0
-500V
DC
-497.0 to -503.0
500V
60Hz
494.0 to 506.0
500V
10 kHz
486.0 to 514.0
500V/div
1250V
600V
10 kHz
0.570 to 0.630
600V
60Hz
0.584 to 0.616
+600V
DC
+0.592 to +0.608
-600V
DC
-0.592 to -0.608
0V
DC
-0.005 to +0.005
4.5.15 Resistance Measurements Test
Proceed as follows:
1.
Connect the test tool to the 5500A as shown in Figure 4-7.
ST8003.WMF
Figure 4-7. Test Tool Input A to 5500A Normal Output 4-Wire