Keithley DMM6500, Руководство пользователя

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DMM6500 6½-Digit Multimeter with Scanning Calibration and Adjustment Manual Section 2: Performance verification
DMM6500-905-01 Rev. E June 2021 2-45
Verify resistance zero values using a 4-wire short
To verify resistance zero values:
1. Select the 4W Res function.
2. Set the DMM6500 to the
1Ω
range.
3. Press the MENU key.
4. Under Measure, select Settings .
5. Set the Offset Compensation to On .
6. Connect the Model 8610 or 8620 4-wire short to the front panel as shown in the following figure.
7. Allow to settle for 5 minutes. Do not use relative offset.
Figure 17: Front panel 4-wire shorting plug orientation
8. Verify that the 1
Ω range is within specification (see the following table).
9. Repeat verification for the 10
Ω to 100 kΩ ranges.
Verify 4-wire resistance zero values
Range (Ω)
Lower limit Upper limit
1 -0.0002 0.0002
10 -0.0002 0.0002
100 -0.002 0.002
1 k -0.006 0.006
10 k -0.06 0.06
100 k -1 1