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National Instruments NI 4070/4072 6 1/2-Digit FlexDMM Table 16. NI 4070/4072 AC Voltage Verification Limits (Continued)

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NI 4070/4072 Calibration Procedure 60 ni.com

500mV 100kHz 500mV AC/DC 0.4974 V 0.5026V

500mV 300kHz 500mV AC/DC 0.48475 V 0.51525V

5V 30Hz 5V DC 4.9945V 5.0055 V

5V 50Hz 5V AC/DC 4.9965 V 5.0035V

5V 1kHz 5V AC/DC 4.9965 V 5.0035V

5V 1kHz 50V AC/DC 4.9875 V 5.0125V

5V 1kHz 300V AC/DC 4.9375V 5.0625V

5V 20kHz 5V AC/D C 4.9965V 5.0035 V

5V 50kHz 5V AC/D C 4.9945V 5.0055 V

5V 100kHz 5V AC/ DC 4.974V 5.026V

5V 300kHz 5V AC/ DC 4.8475V 5.1525 V

50V 30Hz 50 V DC 49.945V 50.055 V

50V 50Hz 50 V AC/ DC 49.965V 50.035 V

50V 1kHz 50V AC/ DC 49.965V 50.035 V

50V 20 kHz 50 V AC /DC 49.965V 50.035 V

50V 50 kHz 50 V AC /DC 49.945V 50.055 V

50V 100 kHz 50 V AC/DC 49.74 V 50.26V

50V 300 kHz 50 V AC/DC 48.475 V 51.525 V

219V 30 Hz 300 V DC 218.751 V 219.249 V

219V 50 Hz 300 V AC/DC 218.8305 V 219.1695 V

219V 1kHz 300V AC/DC 218.8305V 219.1695 V

219V 20 kHz 300 V AC/DC 218.8305V 219.1695 V

219V 50 kHz 300 V AC/DC 218.7429V 219.2571 V

219V 100kHz 300 V AC/DC 217.845V 220.155 V

70V 300 kHz 300 V AC/DC 67.75V 72.25V

Table 16. NI 4070/4072 AC Voltage Verification Limits (Continued)

Calibrator Output

Range Coupling

2-Year Limits

Amplitude Frequency Lower Upper

Contents

Main CALIBRATION PROCEDURE NI 4070/4072 6-Digit FlexDMM Contents Conventions Software Requirements Documentation Requirements Calibration Function Reference Password Calibration Interval Test Equipment Required Test Equipment Requirements for All NI 4070/4072 Devices Additional Requirements for the NI 4072 Optional Test Equipment Test Conditions Calibration Procedures Initial Setup Verification Procedures Verifying DC Voltage Page NI 4070/4072 Calibration Procedure 10 ni.com Figure 1. Cable Connections for Voltage and 2-Wire Resistance niDMM_SetAttributeViReal64 with the following parameters: Attribute_ID = Attribute_Value = NIDMM_VAL_GREATER_THAN_10_GIGAOHM 1 NI4070/4072 2 Fluke 5700A/5720A Calibrator 3 Fluke 5440 Cable Table 1. Fluke 5440 Cable Connections BananaPlug Connector (NI4070/4072) Banana Plug Color (Fluke 5440Cable) Page Page Page Page Verifying AC Voltage Page Page Page Page Page Page Verifying 4-Wire Resistance Page Verifying 2-Wire Resistance Page Page Page Page Page Verifying DC Current Page Page Verifying AC Current Verifying Frequency Page Page Verifying Capacitance and Inductance (NI 4072 Only) Page Page Page Adjustment Procedures Setting Up the Test Equipment Adjusting DC Voltage and Resistance Page Page Page Page Page Adjusting AC Voltage (AC- and DC-Coupled) Modes Page Page Page Table 13. niDMM_CalAdjustACFilter Parameters (Continued) Adjusting Current Modes Page Page Adjusting Capacitance and Inductance (NI 4072 Only) Page Completing the Adjustment Procedures Verification Limits DC Voltage AC Voltage Table 16. NI 4070/4072 AC Voltage Verification Limits Table 15. NI 4070/4072 DC Voltage Verification Limits (Continued) Table 16. NI 4070/4072 AC Voltage Verification Limits (Continued) 4-Wire Resistance Note Tolerances are provided for 4-wire resistance instead of absolute limits because the limits depend on the actual resistance value output by your calibrator. 2-Wire Resistance Note Tolerances are provided for 2-wire resistance instead of absolute limits because the DC Current AC Current Table 19. NI 4070/4072 DC Current Verification Limits Table 20. NI 4070/4072 AC Current Verification Limits Table 18. NI 4070/4072 2-Wire Resistance Verification Tolerances (Continued) Frequency Capacitance and Inductance Note Because the actual capacitance verification values can differ from the following values, Table22 provides tolerances that correspond to the NI 4072 accuracy specifications Table 21. Frequency Limits Appendix A: Calibration Options Page Figure 4. Verification Procedures Flowchart NI 4070/4072 Calibration Procedure 66 ni.com Figure 5. Adjustment Procedures Flowchart National Instruments Corporation 67 NI 4070/4072 Calibration Procedure Where to Go for Support