5: Measuring DC voltage with high accuracy Model DMM7510 7½ Digit Multimeter
5-4 DMM7510-900-01 Rev. C / September 2019
Using the front panel
Restart the instrument and select the function, integration rate, auto zero, and filter settings:
1. Press the POWER button on the front panel to turn on the instrument.
2. On the FUNCTIONS swipe screen, select DCV.
3. On the top half of the home screen, select Range.
4. Select 10V.
5. Swipe to the SETTINGS swipe screen.
6. Set the Rate to 10.
7. Select OK.
8. Set Input Z to Auto.
9. Verify that Auto Zero is selected.
10. Press the MENU key.
11. Under Measure, select Calculations.
12. Set Filter to On.
13. Select Settings.
14. Set the Type to Repeat.
15. Set the Count to 100.
16. Select OK.
17. Press the HOME key.
If measurements are not updating, press the TRIGGER key for a few seconds. Verify that the trigger
mode is set to Continuous Measurement.
The measurement is displayed in the top area of the home screen.
With a repeating filter count of 100 and NPLC of 10, the measurement cycle time is slow but accurate.
By reducing the values of these settings, you can get faster but less accurate readings. The balance
between speed and accuracy depends on the needs of your specific application.
Using SCPI commands
This sequence of SCPI commands sets up and runs a single high-accuracy DC voltage measurement
when a device under test is connected to the DMM7510 and controlled remotely.
You may need to make changes so that this code will run in your programming environment.
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