Keithley DMM6500

Section
2: Performance verification DMM6500 6½-Digit Multimeter with Scanning
Calibration and Adjustment Manual
2-8 DMM6500-905-01 Rev. E June 2021
2. On the DMM6500, press the FUNCTION key and select DC voltage.
3. On the home screen, select the button next to Range and select 100 mV.
4. Press the MENU key.
5. Under Measure, select Settings.
6. Set Input Impedance to Auto.
7. Set the calibrator output to 0 V.
8. Set the calibrator to OPERATE.
9. Allow 5 minutes of settling time.
10. Press the MENU key.
11. Select Calculations.
12. [Only for the 100 mV range] Select Rel Acquire.
13. Source positive and negative full-scale and half-scale voltages and allow for proper settling.
14. Select each range on the DMM6500, allow for proper settling, and verify the ranges according to
the following tables.
Verify the dc voltage 100 mV range
Description Nominal value Lower limit Upper limit
Perform relative
offset
0
-0.01
0.01
Full scale (+)
100
99.9935
100.0065
Half scale (+)
50
49.995
50.005
Half scale (–)
-50
-50.005
-49.995
Full scale (–)
-100
-100.0065
-99.9935
Verify the dc voltage 1 V range
Description Nominal value Lower limit Upper limit
Full scale (+) 1 0.999969 1.000031
Half scale (+)
0.5
0.499979
0.500021
Half scale (–)
-0.5
-0.500021
-0.499979
Full scale (–)
–1
–1.000031
-0.999969
Verify the dc voltage 10 V range
Description Nominal value Lower limit Upper limit
Full scale (+)
10
9.9997
10.0003
Half scale (+)
5
4.99982
5.00018
Half scale (–)
–5
–5.00018
–4.99982
Full scale (–)
–10
–10.0003
–9.9997