Keithley DMM6500 Manual page 49

DMM6500 6½-Digit Multimeter with Scanning Calibration and Adjustment Manual
7. Connect the DMM6500 to the calibrator as shown in the following figure.
8. Source ac current for each of the frequencies listed in the following tables.
9. For each setting, make sure that the reading is within low and high limits.
Verify ac current 100 µA range
Description
100 µA at 20 Hz
100 µA at 1 kHz
Verify ac current 1 mA range
Description
1 mA at 20 Hz
1 mA at 1 kHz
1 mA at 4.9 kHz
Verify ac current 10 mA range
Description
10 mA at 40 Hz
10 mA at 1 kHz
10 mA at 4.9 kHz
DMM6500-905-01 Rev. E June 2021
Figure 14: Connections for ac current verification
Verification point Lower limit
100 99.83
100 99.83
Verification point Lower limit
1 0.9986
1 0.9986
1 0.9986
Verification point Lower limit
10 9.986
10 9.986
10 9.986
Section 2: Performance verification
Upper limit
100.17
100.17
Upper limit
1.0014
1.0014
1.0014
Upper limit
10.14
10.14
10.14
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