Manuais de utilizador para National Instruments NI 4070/4072 6 1/2-Digit FlexDMM

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• NI 4070/4072 6½-Digit FlexDMM Calibration Procedure

  1
• Contents

  1
• Conventions

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• Software Requirements

  2
• Documentation Requirements

  3
  • Calibration Function Reference

    3
• Password

  3
• Calibration Interval

  4
• Test Equipment

  4
  • Required Test Equipment

    4
    • Requirements for All NI 4070/4072 Devices

      4
    • Additional Requirements for the NI 4072

      4
  • Optional Test Equipment

    5
• Test Conditions

  5
• Calibration Procedures

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  • Initial Setup

    6
  • Verification Procedures

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    • Verifying DC Voltage

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    • Figure 1. Cable Connections for Voltage and 2-Wire Resistance

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    • Table 1. Fluke 5440 Cable Connections

      10
    • Verifying AC Voltage

      15
    • Table 2. niDMM_ConfigureMeasurement Parameters

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    • Table 3. niDMM_ConfigureMeasurement Parameters

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    • Table 4. niDMM_ConfigureMeasurement Parameters

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    • Table 5. niDMM_ConfigureMeasurement Parameters

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    • Table 6. niDMM_ConfigureMeasurement Parameters

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    • Verifying 4-Wire Resistance

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    • Figure 2. Cable Connections for 4-Wire Resistance

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    • Table 7. Fluke 5440 Cable Connections

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    • Table 8. niDMM_ConfigureMeasurement Parameters

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    • Verifying 2-Wire Resistance

      24
    • Verifying DC Current

      30
    • Figure 3. Cable Connections for Current

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    • Table 9. Fluke 5440 Cable Connections

      31
    • Verifying AC Current

      33
    • Verifying Frequency

      34
    • Verifying Capacitance and Inductance (NI 4072 Only)

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    • Table 10. niDMM_ConfigureMeasurement Parameters

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  • Adjustment Procedures

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    • Setting Up the Test Equipment

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    • Adjusting DC Voltage and Resistance

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    • Adjusting AC Voltage (AC- and DC-Coupled) Modes

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    • Table 11. niDMM_CalAdjustGain Parameters

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    • Table 12. niDMM_CalAdjustOffset Parameters

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    • Table 13. niDMM_CalAdjustACFilter Parameters

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    • Adjusting Current Modes

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    • Adjusting Capacitance and Inductance (NI 4072 Only)

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    • Table 14. niDMM_CalAdjustLC Parameters

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    • Completing the Adjustment Procedures

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• Verification Limits

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  • DC Voltage

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    • Table 15. NI 4070/4072 DC Voltage Verification Limits

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  • AC Voltage

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    • Table 16. NI 4070/4072 AC Voltage Verification Limits

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  • 4-Wire Resistance

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    • Table 17. NI 4070/4072 4-Wire Resistance Verification Tolerances

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  • 2-Wire Resistance

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    • Table 18. NI 4070/4072 2-Wire Resistance Verification Tolerances

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  • DC Current

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    • Table 19. NI 4070/4072 DC Current Verification Limits

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  • AC Current

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    • Table 20. NI 4070/4072 AC Current Verification Limits

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  • Frequency

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    • Table 21. Frequency Limits

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  • Capacitance and Inductance

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    • Table 22. NI 4072 Capacitance and Inductance Verification Tolerances

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• Appendix A: Calibration Options

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  • Table 23. Summary of Adjustment Options

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  • Figure 4. Verification Procedures Flowchart

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  • Figure 5. Adjustment Procedures Flowchart

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• Where to Go for Support

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