Fluke 8508A Service Manual page 79

10. Press the key.
11. Press the
CONFIG
12. Repeat steps 3 – 9 for the Normal LoI ranges.
13. Press the
Plus
14. Press the
CONFIG
15. Repeat steps 3 – 9 for the
16. Press the
Plus
17. Press the
CONFIG
18. Repeat steps 3 – 9 for the
19. Press the
Plus
20. Press the
CONFIG
21. Repeat steps 3 – 9 for the
Table 3-10. Resistance Verification Points and Sequence
8508A Range Resistance
2 0
1
20 0
10
200 0
100
2 k 0 k
1 k
20 k 0 k
10 k
200 k 0 k
100 k
2 M 0 M
1 M
20 M 0 M
10 M
200 M 0 M
100 M
2 G 0 G
1 G
key and select ,
Filt RESL7
key and select
Tru .
key and select ,
Filt RESL7
ranges.
Tru
key and select
Tru .
key and select ,
Filt RESL7
ranges.
Tru LoI
key and select
HiV .
key and select ,
Filt RESL7
ranges.
HiV
Normal and Tru
Perform input zero operation to calibrator range locked zero output
0.0000240
Perform input zero operation to calibrator range locked zero output
0.000133
Perform input zero operation to calibrator range locked zero output
0.00101
Perform input zero operation to calibrator range locked zero output
0.0000101 k
Perform input zero operation to calibrator range locked zero output
0.000101 k
Perform input zero operation to calibrator range locked zero output
0.00101 k
Perform input zero operation to calibrator range locked zero output
0.0000117 M
Perform input zero operation to calibrator range locked zero output
0.000320 M
Perform input zero operation to calibrator range locked zero output
0.01950 M
Perform input zero operation to calibrator range locked zero output
0.0018750 M
Calibration and Verification
Performance Verification
, , and .
4w LoI
, and . Ensure is deselected.
4w LoI
, , and .
4w LoI
, and .
4w
[1]
Tolerance
[2]
Normal LoI and Tru LoI
0.0000240
0.000133
0.00113
0.0000113 k
0.000113 k
0.00107 k
0.0000142 M
0.000570 M
0.18700 M
0.0018750 M
3
[2]
3-39