Keithley DMM7510 Calibration Manual page 50

Model DMM7510 7½ Digit Graphical Sampling Multimeter Calibration Manual
2. Source 909.09 MΩ.
3. On the reference DMM, enable 2-wire resistance.
4. Enable the 2 GΩ range.
5. Select Res1.
6. Set to RESL '7'.
7. Verify 909 MΩ.
8. On the reference DMM, record the 909 MΩ reading. Use this reading as the target for Model
DMM7510 1 GΩ verification.
Verifying 4-wire resistance accuracy
To verify 4-wire resistance accuracy:
1. Connect the Model DMM7510 INPUT and SENSE terminals to the calibrator as shown in the
following figure.
2. Set the calibrator for 4-wire resistance with external sense on.
3. On the Model DMM7510, press the FUNCTION key and select 4W Res.
4. Press the MENU key.
5. Select Measure Settings.
6. Set Offset Compensation On.
7. Verify that Open Lead Detector is Off.
DMM7510-905-01 Rev. A / April 2015
Section 2: Performance verification
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