Fluke 287C - Page 22

287/289
Calibration Manual
18
Table 4. 287/289 Performance Test Steps (cont.)
Step Function Range Input Level
Frequency
or Model
Display Reading
[1]
Lower
Limit
Upper
Limit
5. DC mV 50.000 mV 50 mV
[2]
- - 49.955 50.045
Discontinue REL Offsets
6. DC mV 500.00 mV 500 mV - - 499.85 500.15
7. DC mV 500.00 mV -250 mV - - -250.08 -249.92
8.
DC mV
DC/AC
500.00 mV
50 mV 0 Hz 49.97 50.03
9.
DC mV
AC/DC
500.00 mV
250 mV 35 kHz 237.10 262.90
Set 5520A for 2-Wire COMP and Connect in 4-Wire configuration
10. Ohms 500.00 Ω 0 Ω - - -0.10 0.10
REL Offset
11. Ohms 500.00 Ω 0.2 Ω
[2]
- - 0.10 0.30
12. Ohms 500.00 Ω 500 Ω
[2]
- - 499.65 500.35
Discontinue REL Offsets
13. Ohms 5.0000 kΩ 5 kΩ - - 4.9973 5.0027
14. Ohms 50.000 kΩ 50 kΩ - - 49.973 50.027
Set 5520A for COMP OFF and Remove Auxiliary Test Cable
15. Ohms 500.00 kΩ 500 kΩ - - 499.73 500.27
16. Ohms 5.0000 MΩ 5 MΩ - - 4.9921 5.0079
17. Ohms 30.000 MΩ 30 MΩ - - 29.546 30.454
18. Ohms 500.0 MΩ 300 MΩ - - 275.8 324.2
19. AC mV 50.000 mV 5 mV 20 Hz 4.865 5.135
20. AC mV 50.000 mV 50 mV 65 kHz 48.210 51.790
21. AC mV 500.00 mV 50 mV 100 kHz 47.85 52.15
22. AC mV 500.00 mV 250 mV 65 kHz 240.85 259.15
23. AC mV 500.00 mV 500 mV 45 Hz 498.25 501.75
24. AC mV, Hz 500.00 mV 500 mV 45 Hz 44.986 45.014
25. AC mV, Hz 500.00 mV 0.707 V p-p
[8]
950 kHz 949.90 950.10
26. VAC 5.0000 V 0.1 V 60 Hz 0.0952 0.1048
27. VAC 5.0000 V 0.5 V 10 kHz 0.4945 0.5055
28. VAC 5.0000 V 3 V 100 kHz 2.8160 3.1840