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NI 4071 7½-Digit FlexDMM Calibration Procedure

Call the niDMM Config Measurement VI again, changing

Function

NIDMM_VAL_AC_VOLTS_DCCOUPLED

, and select the

Resolution in Digits

instance.

Call the niDMM Read VI.

LabVIEW Block Diagram

C/C++ Function Call

Call

niDMM_ConfigureMeasurement
Digits

with the following

parameters:

Instrument_Handle

The instrument

handle from

niDMM_init

Resolution_Digits

: Set as shown in

Table 8 for the current iteration

Measurement_Function

NIDMM_VAL_AC_VOLTS_DCCOUPL
ED

Range

: Set as shown in Table 8 for

the current iteration

LabVIEW Block Diagram

C/C++ Function Call

Call

niDMM_read

with the

following parameters:

Instrument_Handle

The instrument

handle from

niDMM_init

Reading

: The measurement returned

by the function. Verify that this
measurement falls between the limits
listed in Table 21.

Maximum_Time

–1

Содержание FlexDMM PXI-4071

Страница 1: ...ification Procedures 6 Adjustment Procedures 104 Verification Limits 142 DC Voltage 143 AC Voltage 144 4 Wire Resistance 146 2 Wire Resistance 147 DC Current 148 AC Current 150 Frequency 151 Appendix A Calibration Options 151 Where to Go for Support 155 Software Requirements NI DMM supports a number of programming languages including LabVIEW LabWindows CVI Microsoft Visual C and Microsoft Visual B...

Страница 2: ...w for verification Refer to Figure 8 for the procedural flow for adjustment Password The password is required to open an external calibration session If the password has not been changed since manufacturing the password is NI Calibration Interval The accuracy requirements of your measurement application determine how often you should calibrate the NI 4071 NI recommends performing a complete calibr...

Страница 3: ...th not to exceed 4 in Two Pomona B 4 banana to banana patch cords cables Double banana plug with binding posts Pomona 5405 Binding Post Insulated low thermal electromotive force EMF spade lugs Two Pomona 2305 lugs Chassis National Instruments PXI chassis and controller A device capable of generating pulse trains at the frequencies listed in Table 27 NI PXI 6608 counter timer module or Agilent 3325...

Страница 4: ...s that can result in measurement errors Calibration Procedures The calibration process includes the following steps 1 Initial Setup Set up the test equipment 2 Verification Procedures Verify the existing operation of the device This step confirms whether the device is operating within its specified range prior to calibration Figure 7 in Appendix A shows the procedural flow for verification 3 Adjus...

Страница 5: ...ice to create an instrument session Note You will use this session in all subsequent VI and function calls throughout the verification procedures For more information about using the niDMM Initialize VI or the niDMM_init function refer to the NI Digital Multimeters Help 4 Call the niDMM Configure Powerline Frequency VI LabVIEW Block Diagram C C Function Call Call niDMM_init with the following para...

Страница 6: ...s document are expressed in scientific notation Some programming languages do not support the direct entry of numbers in this format Be sure to properly enter these values with the appropriate number of zeros For example you must enter the scientific notation number 10e 6 as 0 00001 and the number 100e3 as 100000 If your programming language supports numeric entries in scientific notation NI recom...

Страница 7: ... Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 7 5 Measurement_Function NIDMM_VAL_DC_VOLTS Range 100 mV LabVIEW Block Diagram C C Function Call Call niDMM SetAttributeVi Real64 with the following parameters Instrument_Handle The instrument handle from niDMM_init Attribute_ID NIDMM_ATTR_IN...

Страница 8: ... NI 4071 to 10 M LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Maximum_Time 1 Reading The measurement returned by the function Store the reading or measurement value as the 100 mV 10 G mode offset LabVIEW Block Diagram C C Function Call Call niDMM SetAttributeViRea l64 with the following parameters Inst...

Страница 9: ...ng parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Store the reading or measurement value as the 100 mV 10 M mode offset Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM SetAttributeVi Real64 with the following parameters Instrument_Handle The instrument handle from niDMM_init Attribute_ID NIDMM_ATTR_INPU T_RESIST...

Страница 10: ...ment handle from niDMM_init Reading The measurement returned by the function Subtract the previously stored 100 mV 10 G mode offset value from this measurement Verify that this measurement falls between the limits listed in Table 20 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM SetAttributeViRea l64 with the following parameters Instrument_Handle The instrument handle from niDM...

Страница 11: ... instrument handle from niDMM_init Reading The measurement returned by the function Subtract the previously stored 100 mV 10 M mode offset value from this measurement Verify that this measurement falls between the limits listed in Table 20 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument han...

Страница 12: ...Call Call niDMM SetAttributeVi Real64 with the following parameters Instrument_Handle The instrument handle from niDMM_init Attribute_ID NIDMM_ATTR_INPU T_RESISTANCE Attribute_Value NIDMM_VAL_ GREATER_THAN_ 10_GIGAOHM LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the ...

Страница 13: ...PUT_ RESISTANCE Attribute_Value NIDMM_VAL_10_MEGA OHM LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls between the limits listed in Table 20 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasure...

Страница 14: ...Call Call niDMM SetAttributeVi Real64 with the following parameters Instrument_Handle The instrument handle from niDMM_init Attribute_ID NIDMM_ATTR_INPU T_RESISTANCE Attribute_Value NIDMM_VAL_ GREATER_THAN_ 10_GIGAOHM LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the ...

Страница 15: ...UT_ RESISTANCE Attribute_Value NIDMM_VAL_10_MEGA OHM LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls between the limits listed in Table 20 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurem...

Страница 16: ...returned by the function Verify that this measurement falls between the limits listed in Table 20 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 7 5 Measurement_Function NIDMM_VAL_DC_VOLTS Range 1000 LabVIEW Block Diagram C C Function Call Call niDM...

Страница 17: ...cked to 2 2 V Note This calibrator range prevents a 50 output resistance from creating a voltage divider with the internal resistance of the NI 4071 1 NI 4071 2 Fluke 5720A Calibrator 3 Fluke 5440 Cable Table 2 Fluke 5440 Cable Connections Banana Plug Connector NI 4071 Banana Plug Color Fluke 5440 Cable Binding Post Label Fluke 5720A Calibrator HI Red OUTPUT HI LO Black OUTPUT LO No connection Blu...

Страница 18: ...ction Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 7 5 Measurement_Function NIDMM_VAL_DC_VOLTS Range 0 1 LabVIEW Block Diagram C C Function Call Call niDMM SetAttributeVi Real64 with the following parameters Instrument_Handle The instrument handle from niDMM_init Attribute_ID NIDMM_ATTR_INPU T_RE...

Страница 19: ...rument handle from niDMM_init Reading The measurement returned by the function Subtract the previously stored 100 mV 10 G mode offset value from this measurement Verify the reading or measurement value falls between the limits listed in Table 20 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM SetAttributeViRea l64 with the following parameters Instrument_Handle The instrument han...

Страница 20: ...Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Subtract the previously stored 100 mV 10 M mode offset value from this measurement Verify the reading or measurement value falls between the limits listed in Table 20 Maximum_Time 1 LabVIEW Block Diagram C C Function Call C...

Страница 21: ...rument handle from niDMM_init Reading The measurement returned by the function Subtract the previously stored 100 mV 10 G mode offset value from this measurement Verify the reading or measurement value falls between the limits listed in Table 20 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM SetAttributeViRea l64 with the following parameters Instrument_Handle The instrument han...

Страница 22: ...The instrument handle from niDMM_init Reading The measurement returned by the function Subtract the previously stored 100 mV 10 M mode offset value from this measurement Verify that the reading or measurement value falls between the limits listed in Table 20 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle...

Страница 23: ... with the following parameters Instrument_Handle The instrument handle from niDMM_init Attribute_ID NIDMM_ATTR_INPU T_RESISTANCE Attribute_Value NIDMM_VAL_ GREATER_THAN_ 10_GIGAOHM LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement...

Страница 24: ...AttributeViRea l64 with the following parameters Instrument_Handle The instrument handle from niDMM_init Attribute_ID NIDMM_ATTR_INPUT_ RESISTANCE Attribute_Value NIDMM_VAL_10_MEGA OHM LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measure...

Страница 25: ... with the following parameters Instrument_Handle The instrument handle from niDMM_init Attribute_ID NIDMM_ATTR_INPU T_RESISTANCE Attribute_Value NIDMM_VAL_ GREATER_THAN_ 10_GIGAOHM LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement...

Страница 26: ...ttributeViRea l64 with the following parameters Instrument_Handle The instrument handle from niDMM_init Attribute_ID NIDMM_ATTR_INPUT_ RESISTANCE Attribute_Value NIDMM_VAL_10_MEGA OHM LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurem...

Страница 27: ...the NI 4071 to 10 G LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 7 5 Measurement_Function NIDMM_VAL_DC_VOLTS Range 10 LabVIEW Block Diagram C C Function Call Call niDMM SetAttributeVi Real64 with the following parameters Instrument_Handle The instrument handle f...

Страница 28: ...hat this measurement falls between the limits listed in Table 20 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM SetAttributeViRea l64 with the following parameters Instrument_Handle The instrument handle from niDMM_init Attribute_ID NIDMM_ATTR_INPUT_ RESISTANCE Attribute_Value NIDMM_VAL_10_MEGA OHM LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parame...

Страница 29: ...in Table 3 for the current iteration c Call the niDMM Read VI LabVIEW Block Diagram C C Function Call Call niDMM SetAttributeVi Real64 with the following parameters Instrument_Handle The instrument handle from niDMM_init Attribute_ID NIDMM_ATTR_INPU T_RESISTANCE Attribute_Value NIDMM_VAL_ GREATER_THAN_ 10_GIGAOHM LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters...

Страница 30: ...10 G 2 2 5 V 10 G 3 2 5 V 10 G 4 5 V 10 G 5 9 V 10 G LabVIEW Block Diagram C C Function Call Call niDMM SetAttributeViRea l64 with the following parameters Instrument_Handle The instrument handle from niDMM_init Attribute_ID NIDMM_ATTR_INPUT_ RESISTANCE Attribute_Value NIDMM_VAL_10_MEGA OHM LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The ...

Страница 31: ...set the input resistance of the NI 4071 to 10 M LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 7 5 Measurement_Function NIDMM_VAL_DC_VOLTS Range 100 LabVIEW Block Diagram C C Function Call Call niDMM SetAttributeViRea l64 with the following parameters Instrument_H...

Страница 32: ...nction Verify that this measurement falls between the limits listed in Table 20 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls between the limits listed in Table 20 Maximum_Time 1 LabVIEW Block Diagram C C ...

Страница 33: ...t be in the 1000 V range before you apply the voltage Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls between the limits listed in Table 20 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_r...

Страница 34: ...e NI 4071 complete the following steps 1 Reset the calibrator 2 Connect the NI 4071 and the Fluke 5720A calibrator using the Fluke 5440 cable as shown in Figure 1 Table 2 lists the cable connections 3 Generate 4 5 mV at 1 kHz on the calibrator 4 Call the niDMM Reset VI to reset the NI 4071 to a known state 5 Call the niDMM Configure Auto Zero VI LabVIEW Block Diagram C C Function Call Call niDMM_c...

Страница 35: ...rom niDMM_init Resolution_Digits 6 5 Measurement_Function NIDMM_VAL_AC_VOLTS Range 0 05 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls between the limits listed in Table 21 Maximum_Time 1 LabVIEW Block Diagram C C Functio...

Страница 36: ...nction Verify that this measurement falls between the limits listed in Table 21 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 6 5 Measurement_Function NIDMM_VAL_AC_VOLTS_DCCOUPL ED Range 0 05 LabVIEW Block Diagram C C Function Call Call niDMM_read ...

Страница 37: ...surement VI and select the Resolution in Digits instance c Call the niDMM Read VI LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits Set as shown in Table 4 for the current iteration Measurement_Function NIDMM_VAL_AC_VOLTS Range Set as shown in Table 4 for the current...

Страница 38: ... parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits Set as shown in Table 4 for the current iteration Measurement_Function NIDMM_VAL_AC_VOLTS_DCCOU PLED Range Set as shown in Table 4 for the current iteration LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The mea...

Страница 39: ...z NIDMM_VAL_AC_ VOLTS_DCCOUPLED 0 05 6 5 2 45 mV 1 kHz NIDMM_VAL_AC_ VOLTS 0 05 6 5 45 mV 1 kHz NIDMM_VAL_AC_ VOLTS_DCCOUPLED 0 05 6 5 3 45 mV 1 kHz NIDMM_VAL_AC_ VOLTS 0 5 6 5 45 mV 1 kHz NIDMM_VAL_AC_ VOLTS_DCCOUPLED 0 5 6 5 4 45 mV 20 kHz NIDMM_VAL_AC_ VOLTS 0 05 6 5 45 mV 20 kHz NIDMM_VAL_AC_ VOLTS_DCCOUPLED 0 05 6 5 5 45 mV 50 kHz NIDMM_VAL_AC_ VOLTS 0 05 6 5 45 mV 50 kHz NIDMM_VAL_AC_ VOLTS_...

Страница 40: ...with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 6 5 Measurement_Function NIDMM_VAL_AC_VOLTS_DCCOUPL ED Range 0 5 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls betwe...

Страница 41: ...in Digits instance of the niDMM Config Measurement VI c Call the niDMM Read VI LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits Set as shown in Table 5 for the current iteration Measurement_Function NIDMM_VAL_AC_VOLTS Range Set as shown in Table 5 for the current it...

Страница 42: ...parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits Set as shown in Table 5 for the current iteration Measurement_Function NIDMM_VAL_AC_VOLTS_DCCOUPL ED Range Set as shown in Table 5 for the current iteration LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The meas...

Страница 43: ...5 6 5 2 450 mV 1 kHz NIDMM_VAL_AC_ VOLTS 0 5 6 5 450 mV 1 kHz NIDMM_VAL_AC_ VOLTS_DCCOUPLED 0 5 6 5 3 450 mV 1 kHz NIDMM_VAL_AC_ VOLTS 5 6 5 450 mV 1 kHz NIDMM_VAL_AC_ VOLTS_DCCOUPLED 5 6 5 4 450 mV 20 kHz NIDMM_VAL_AC_ VOLTS 0 5 6 5 450 mV 20 kHz NIDMM_VAL_AC_ VOLTS_DCCOUPLED 0 5 6 5 5 450 mV 50 kHz NIDMM_VAL_AC_ VOLTS 0 5 6 5 450 mV 50 kHz NIDMM_VAL_AC_ VOLTS_DCCOUPLED 0 5 6 5 6 450 mV 100 kHz N...

Страница 44: ... with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 6 5 Measurement_Function NIDMM_VAL_AC_VOLTS_DCCOUPL ED Range 5 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls betwee...

Страница 45: ...its instance of the niDMM Config Measurement VI c Call the niDMM Read VI LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits Set as shown in Table 6 for the current iteration Measurement_Function NIDMM_VAL_AC_VOLTS Range Set as shown in Table 6 for the current iteratio...

Страница 46: ...parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits Set as shown in Table 6 for the current iteration Measurement_Function NIDMM_VAL_AC_VOLTS_DCCOUPL ED Range Set as shown in Table 6 for the current iteration LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The meas...

Страница 47: ...AC_VOLTS 5 6 5 2 V 1 kHz NIDMM_VAL_AC_VOLTS _DCCOUPLED 5 6 5 4 3 V 1 kHz NIDMM_VAL_AC_VOLTS 5 6 5 3 V 1 kHz NIDMM_VAL_AC_VOLTS _DCCOUPLED 5 6 5 5 4 5 V 1 kHz NIDMM_VAL_AC_VOLTS 5 6 5 4 5 V 1 kHz NIDMM_VAL_AC_VOLTS _DCCOUPLED 5 6 5 6 4 5 V 1 kHz NIDMM_VAL_AC_VOLTS 50 6 5 4 5 V 1 kHz NIDMM_VAL_AC_VOLTS _DCCOUPLED 50 6 5 7 4 5 V 20 kHz NIDMM_VAL_AC_VOLTS 5 6 5 4 5 V 20 kHz NIDMM_VAL_AC_VOLTS _DCCOUPL...

Страница 48: ... with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 6 5 Measurement_Function NIDMM_VAL_AC_VOLTS_DCCOUPL ED Range 50 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls betwe...

Страница 49: ...its instance of the niDMM Config Measurement VI c Call the niDMM Read VI LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits Set as shown in Table 7 for the current iteration Measurement_Function NIDMM_VAL_AC_VOLTS Range Set as shown in Table 7 for the current iteratio...

Страница 50: ...parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits Set as shown in Table 7 for the current iteration Measurement_Function NIDMM_VAL_AC_VOLTS_DCCOUPL ED Range Set as shown in Table 7 for the current iteration LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The meas...

Страница 51: ...V 1 kHz NIDMM_VAL_AC_ VOLTS 50 6 5 45 V 1 kHz NIDMM_VAL_AC_ VOLTS_DCCOUPLED 50 6 5 3 45 V 1 kHz NIDMM_VAL_AC_ VOLTS 700 6 5 45 V 1 kHz NIDMM_VAL_AC_ VOLTS_DCCOUPLED 700 6 5 4 45 V 20 kHz NIDMM_VAL_AC_ VOLTS 50 6 5 45 V 20 kHz NIDMM_VAL_AC_ VOLTS_DCCOUPLED 50 6 5 5 45 V 50 kHz NIDMM_VAL_AC_ VOLTS 50 6 5 45 V 50 kHz NIDMM_VAL_AC_ VOLTS_DCCOUPLED 50 6 5 6 45 V 100 kHz NIDMM_VAL_AC_ VOLTS 50 6 5 45 V ...

Страница 52: ...gits 6 5 Measurement_Function NIDMM_VAL_AC_VOLTS_DCCOUPL ED Range 700 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function The DMM must be in the 700 V range before you apply the voltage Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_read with...

Страница 53: ...on in Digits instance of the niDMM Config Measurement VI c Call the niDMM Read VI LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits Set as shown in Table 8 for the current iteration Measurement_Function NIDMM_VAL_AC_VOLTS Range Set as shown in Table 8 for the current...

Страница 54: ...parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits Set as shown in Table 8 for the current iteration Measurement_Function NIDMM_VAL_AC_VOLTS_DCCOUPL ED Range Set as shown in Table 8 for the current iteration LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The meas...

Страница 55: ..._VAL_AC_ VOLTS_DCCOUPLED 700 6 5 2 630 V 1 kHz NIDMM_VAL_AC_ VOLTS 700 6 5 630 V 1 kHz NIDMM_VAL_AC_ VOLTS_DCCOUPLED 700 6 5 3 200 V 20 kHz NIDMM_VAL_AC_ VOLTS 700 6 5 200 V 20 kHz NIDMM_VAL_AC_ VOLTS_DCCOUPLED 700 6 5 4 200 V 50 kHz NIDMM_VAL_AC_ VOLTS 700 6 5 200 V 50 kHz NIDMM_VAL_AC_ VOLTS_DCCOUPLED 700 6 5 5 200 V 100 kHz NIDMM_VAL_AC_ VOLTS 700 6 5 200 V 100 kHz NIDMM_VAL_AC_ VOLTS_DCCOUPLED...

Страница 56: ...fication call the niDMM Close VI to close the session Verifying 4 Wire Resistance To verify the 4 wire resistance of the NI 4071 complete the following steps 1 Reset the calibrator 2 Connect the NI 4071 and the Fluke 5720A calibrator using the Fluke 5440 cables as shown in Figure 2 Table 9 lists the cable connections Figure 2 Cable Connections for 4 Wire Resistance LabVIEW Block Diagram C C Functi...

Страница 57: ...e Connections Fluke 5440 Cable Identification Banana Plug Connector NI 4071 Banana Plug Color Fluke 5440 Cable Binding Post Fluke 5720A Calibrator First cable HI Red OUTPUT HI LO Black OUTPUT LO No connection Blue V GUARD Second cable HI SENSE Red SENSE HI LO SENSE Black SENSE LO No connection Blue V GUARD LabVIEW Block Diagram C C Function Call Call niDMM_reset with the following parameter Instru...

Страница 58: ...et Compensated Ohms set to either NIDMM_VAL_OFFSET_COMP_OHMS_ON or NIDMM_VAL_OFFSET_COMP_OHMS_OFF according to Table 10 for the current iteration LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits Set as shown in Table 10 for the current iteration Measurement_Function...

Страница 59: ...e provided instead of absolute limits because your calibrator will have different discrete resistance values LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls between the limits listed in Table 23 Maximum_Time 1 ...

Страница 60: ...nd you are performing a pre adjustment verification call the niDMM Close VI to close the session Table 10 niDMM Config Measurement Parameters Iteration Calibrat or Output niDMM Config Measurement Parameters OffsetComp Ohms Function Range Resolution 1 10 M NIDMM_VAL_4_ WIRE_RES 10e6 7 5 OFF 2 1 M NIDMM_VAL_4_ WIRE_RES 1e6 7 5 OFF 3 100 k NIDMM_VAL_4_ WIRE_RES 100e3 7 5 OFF 4 10 k NIDMM_VAL_4_ WIRE_...

Страница 61: ...Measurement VI and select the Resolution in Digits instance LabVIEW Block Diagram C C Function Call Call niDMM_close with the following parameters Instrument_Handle The instrument handle from niDMM_init LabVIEW Block Diagram C C Function Call Call niDMM_reset with the following parameter Instrument_Handle The instrument handle from niDMM_init LabVIEW Block Diagram C C Function Call Call niDMM_Conf...

Страница 62: ...this measurement falls between the limits listed in Table 24 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 7 5 Measurement_Function NIDMM_VAL_2_WIRE_RES Range 10e6 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameter...

Страница 63: ...le from niDMM_init Resolution_Digits 7 5 Measurement_Function NIDMM_VAL_2_WIRE_RES Range 1e6 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls between the limits listed in Table 24 Maximum_Time 1 LabVIEW Block Diagram C C Fu...

Страница 64: ...dle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls between the limits listed in Table 24 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 7 5 Measurement_Function NIDMM_VAL_2_WIRE_RES Range 10e3 Lab...

Страница 65: ...arameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls between the limits listed in Table 24 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 7 5 Measuremen...

Страница 66: ...ndle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls between the limits listed in Table 24 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 7 5 Measurement_Function NIDMM_VAL_2_WIRE_RES Range 100 Lab...

Страница 67: ...tor without external sense or 2 wire compensation 26 Call the niDMM Config Measurement VI and select the Resolution in Digits instance LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls between the limits listed in Table 24 M...

Страница 68: ...d by the function Verify that this measurement falls between the tolerances listed in Table 24 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 7 5 Measurement_Function NIDMM_VAL_2_WIRE_RES Range 10e6 LabVIEW Block Diagram C C Function Call Call niDMM...

Страница 69: ...n turned off LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 7 5 Measurement_Function NIDMM_VAL_2_WIRE_RES Range 1e6 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Readin...

Страница 70: ...he following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 7 5 Measurement_Function NIDMM_VAL_2_WIRE_RES Range 100e3 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that the reading or measurement value falls be...

Страница 71: ...istance 38 Wait two minutes for the thermal EMF to stabilize Table 11 Fluke 5440 Cable Connections Banana Plug Connector NI 4071 Banana Plug Color Fluke 5440 Cable Binding Post Label Fluke 5720A Calibrator HI Red OUTPUT HI LO Black OUTPUT LO No connection Blue V GUARD HI Red OUTPUT HI SENSE LO Black OUTPUT LO SENSE No connection Blue V GUARD HI LO AUX I O 300V MAX 5V MAX AMPS NI PXI 4071 71 2 Digi...

Страница 72: ...all niDMM_ConfigureOffsetComp Ohms with the following parameters Instrument_Handle The instrument handle from niDMM_init OffsetCompOhms NIDMM_VAL_OFFSET_COMP_OHMS _OFF LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 7 5 Measurement_Function NIDMM_VAL_2_WIRE_RES Ran...

Страница 73: ...rned by the function Verify that the reading or measurement value falls between the tolerances listed in Table 24 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 7 5 Measurement_Function NIDMM_VAL_2_WIRE_RES Range 1e3 LabVIEW Block Diagram C C Functi...

Страница 74: ...nd you are performing a post adjustment verification go to the Completing the Adjustment Procedures section If you do not want to verify any additional modes and you are performing a pre adjustment verification call the niDMM Close VI to close the session LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument ha...

Страница 75: ...own in Figure 4 Table 12 lists the cable connections Figure 4 Cable Connections for 1 G Standard Resistor LabVIEW Block Diagram C C Function Call Call niDMM_close with the following parameters Instrument_Handle The instrument handle from niDMM_init Table 12 Fluke 5440 Cable Connections Banana Plug Connector NI 4071 Banana Plug Color Fluke 5440 Cable Binding Post Label 1 G Standard Resistor HI Red ...

Страница 76: ...andle The instrument handle from niDMM_init Resolution_Digits 7 5 Measurement_Function NIDMM_VAL_2_WIRE_RES Range 5e9 LabVIEW Block Diagram C C Function Call Call niDMM_Control with the following parameters Instrument_Handle The instrument handle from niDMM_init Control Action Commit LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrum...

Страница 77: ...ck Diagram C C Function Call Call niDMM_reset with the following parameter Instrument_Handle The instrument handle from niDMM_init LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 6 5 Measurement_Function NIDMM_VAL_DC_CURRENT Range 100e 6 LabVIEW Block Diagram C C F...

Страница 78: ...niDMM_init Resolution_Digits 6 5 Measurement_Function NIDMM_VAL_DC_CURRENT Range 1e 3 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls between the limits listed in Table 25 Maximum_Time 1 LabVIEW Block Diagram C C Function ...

Страница 79: ...y that this measurement falls between the limits listed in Table 25 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 6 5 Measurement_Function NIDMM_VAL_DC_CURRENT Range 100e 3 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following ...

Страница 80: ...from niDMM_init Resolution_Digits 6 5 Measurement_Function NIDMM_VAL_DC_CURRENT Range 1 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls between the limits listed in Table 25 Maximum_Time 1 LabVIEW Block Diagram C C Functio...

Страница 81: ...unt voltmeter system in series with the calibrator output Refer to Table 13 for the recommended DC current uncertainty requirements for the DC current shunt voltmeter system LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls ...

Страница 82: ...ctions for Current 18 Call the niDMM Config Measurement VI and select the Resolution in Digits instance 1 NI 4071 2 Fluke 5720A Calibrator 3 Precision Shunt Resistor 4 Voltmeter Table 14 Shunt Voltmeter Connections Banana Plug Connector NI 4071 Precision Shunt Resistor Voltmeter Binding Post Fluke 5720A Calibrator HI HI OUTPUT HI HI SENSE LO LO LO OUTPUT LO GND V GUARD V GUARD HI LO HI LO HI HI LO...

Страница 83: ...nt_Handle The instrument handle from niDMM_init Resolution_Digits 6 5 Measurement_Function NIDMM_VAL_DC_CURRENT Range 100e 6 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Configure the NI 4071 for a current mode before applying current Maximum_Time 1 LabV...

Страница 84: ...IEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls between the limits listed in Table 25 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle...

Страница 85: ..._Digits 6 5 Measurement_Function NIDMM_VAL_DC_CURRENT Range 1e 3 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that the reading or measurement value falls between the limits listed in Table 25 Maximum_Time 1 LabVIEW Block Diagram C C Function Call ...

Страница 86: ... the thermal EMF to stabilize 1 NI 4071 2 Fluke 5720A Calibrator 3 Fluke 5440 Cable Table 15 Fluke 5440 Cable Connections Banana Plug Connector NI 4071 Banana Plug Color Fluke 5440 Cable Binding Post Fluke 5720A Calibrator HI SENSE Red OUTPUT HI LO Black OUTPUT LO No connection Blue V GUARD HI LO AUX I O 300V MAX 5V MAX AMPS NI PXI 4071 71 2 Digit FlexDMM 500V MAX CAT I HI LO 1kV MAX 3A 250V MAX I...

Страница 87: ...dle The instrument handle from niDMM_init Resolution_Digits 6 5 Measurement_Function NIDMM_VAL_DC_CURRENT Range 0 01 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls between the limits listed in Table 25 Maximum_Time 1 LabV...

Страница 88: ...e instrument handle from niDMM_init Resolution_Digits 6 5 Measurement_Function NIDMM_VAL_DC_CURRENT Range 0 1 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls between the limits listed in Table 25 Maximum_Time 1 LabVIEW Blo...

Страница 89: ...Handle The instrument handle from niDMM_init Resolution_Digits 6 5 Measurement_Function NIDMM_VAL_DC_CURRENT Range 1 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Configure the NI 4071 for a current mode before applying current Maximum_Time 1 LabVIEW Bloc...

Страница 90: ...terations shown in Table 16 49 Generate 2 2 A on the calibrator with the current output set to NORM 50 Call the niDMM Config Measurement VI and select the Resolution in Digits instance LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measure...

Страница 91: ...Function NIDMM_VAL_DC_CURRENT Range 3 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls between the limits listed in Table 25 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following paramete...

Страница 92: ...et the calibrator 2 Connect the NI 4071 and the Fluke 5720A calibrator using the Fluke 5440 cable as shown in Figure 6 Table 15 lists the cable connections 3 Call the niDMM Reset VI to reset the NI 4071 to a known state 4 Call the niDMM Config Measurement VI and select the Resolution in Digits instance LabVIEW Block Diagram C C Function Call Call niDMM_close with the following parameters Instrumen...

Страница 93: ... following parameters Instrument_Handle The instrument handle from niDMM_init Auto_Zero_Mode NIDMM_VAL_AUTO_ZERO_ON LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Configure the NI 4071 for a current mode before applying current Maximum_Time 1 LabVIEW Block...

Страница 94: ...ement returned by the function Verify that this measurement falls between the limits listed in Table 26 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 6 5 Measurement_Function NIDMM_VAL_AC_CURRENT Range 1e 3 LabVIEW Block Diagram C C Function Call C...

Страница 95: ...measurement returned by the function Verify that this measurement falls between the limits listed in Table 26 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 6 5 Measurement_Function NIDMM_VAL_AC_CURRENT Range 0 01 LabVIEW Block Diagram C C Function ...

Страница 96: ...ement returned by the function Verify that this measurement falls between the limits listed in Table 26 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 6 5 Measurement_Function NIDMM_VAL_AC_CURRENT Range 0 1 LabVIEW Block Diagram C C Function Call Ca...

Страница 97: ...ent returned by the function Verify that this measurement falls between the limits listed in Table 26 Maximum_Time 1 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls between the limits listed in Table 26 Maximum_Time 1 LabV...

Страница 98: ...t_Handle The instrument handle from niDMM_init Resolution_Digits 6 5 Measurement_Function NIDMM_VAL_AC_CURRENT Range 1 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading The measurement returned by the function Verify that this measurement falls between the limits listed in Table 26 Maximum_Time 1 La...

Страница 99: ...ng parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 6 5 Measurement_Function NIDMM_VAL_AC_CURRENT Range 3 LabVIEW Block Diagram C C Function Call Call niDMM_read with the following parameters Instrument_Handle The instrument handle from niDMM_init Reading Verify that this measurement falls between the limits listed in Table 26 Maximum_Time 1 LabVIEW Block Diagra...

Страница 100: ...ates that the frequency is out of specification return the NI 4071 to NI for repair To verify the frequency of the NI 4071 complete the following steps 1 Remove all connections from the NI 4071 Note Polarity is not important in step 2 2 Connect a device capable of generating a pulse train at the frequencies listed in Table 27 to the HI and LO terminals of the NI 4071 The pulse train should be 0 to...

Страница 101: ...ation Change the frequency to 500 kHz LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 6 5 Measurement_Function NIDMM_VAL_FREQ Range 1 LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureFrequency VoltageRange with the following parameters Instrument_Handle ...

Страница 102: ...djustment procedures Reverification ensures that the device you have calibrated is operating within specifications after adjustments Caution If you skip any of the steps within a section of the adjustment procedures NI DMM does not allow you to store your new calibration coefficients Instead NI DMM restores the original coefficients to the EEPROM Setting Up the Test Equipment If you have not alrea...

Страница 103: ...tion or regular measurement functions Note You use Cal Session in all subsequent function calls The default user password for adjusting the NI 4071 is NI Call the niDMM Cal Set Password VI to change the password 4 Call the niDMM Configure Powerline Frequency VI with Powerline Frequency set to 50 or 60 depending on the power line frequency in hertz that your instruments are powered from select 50 f...

Страница 104: ...PowerLine Frequency with the following parameters Instrument_Handle The instrument handle from niDMM_init Powerline_Frequency 50 or 60 LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustGain with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_DC_VOLTS Range 0 1 Input_Resistance NIDMM_VAL_10_MEGAOHM Expected_Value 0 1 LabVIEW Block Diagram C...

Страница 105: ...horting bar across the HI and LO banana plug connectors of the NI 4071 15 Wait two minutes for the thermal EMF to stabilize LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustGain with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_DC_VOLTS Range 10 Input_Resistance NIDMM_VAL_GREATER_THAN_10_ GIGAOHM Expected_Value 10 LabVIEW Block Diagram ...

Страница 106: ... the niDMM Cal Adjust Gain VI with the following parameters LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustOffset with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_DC_VOLTS Range 10 Input_Resistance NIDMM_VAL_GREATER_THAN_10_ GIGAOHM LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustMisc with the following parameters Instrum...

Страница 107: ..._VAL_2_WIRE_RES Range 10e6 Input_Resistance NIDMM_VAL_RESISTANCE_NA Expected_Value the display on the calibrator for 0 W LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustGain with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_2_WIRE_RES Range 10e6 Input_Resistance NIDMM_VAL_RESISTANCE_NA Expected_Value the display on the calibrator for 1...

Страница 108: ...na plug connectors on the NI 4071 as shown in Figure 2 for 4 wire resistance 32 Wait two minutes for the thermal EMF to stabilize 33 Generate 100 M from the calibrator without external sense LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustOffset with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_2_WIRE_RES Range 10e6 Input_Resistance NI...

Страница 109: ...om niDMM_init Mode NIDMM_VAL_2_WIRE_RES Range 100e6 Input_Resistance NIDMM_VAL_RESISTANCE_NA Expected_Value The value that is displayed on the calibrator for 100 M LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustGain with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_2_WIRE_RES Range 100e6 Input_Resistance NIDMM_VAL_RESISTANCE_NA Expect...

Страница 110: ...se turned on and 2 wire compensation turned off LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustGain with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_4_WIRE_RES Range 10e6 Input_Resistance NIDMM_VAL_RESISTANCE_NA Expected_Value The value that is displayed on the calibrator for 0 LabVIEW Block Diagram C C Function Call Call niDMM_CalAd...

Страница 111: ...f LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustGain with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_4_WIRE_RES Range 10e6 Input_Resistance NIDMM_VAL_RESISTANCE_NA Expected_Value The value that is displayed on the calibrator for 1 9 M LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustGain with the following parameters Ins...

Страница 112: ...I with the following parameters LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustGain with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_4_WIRE_RES Range 100e3 Input_Resistance NIDMM_VAL_RESISTANCE_NA Expected_Value The value that is displayed on the calibrator for 0 LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustGain with t...

Страница 113: ...WIRE_RES Range 100e3 Input_Resistance NIDMM_VAL_RESISTANCE_NA LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustOffset with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_4_WIRE_RES Range 10e3 Input_Resistance NIDMM_VAL_RESISTANCE_NA LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustMisc with the following parameters Instrument_H...

Страница 114: ...ffset with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_4_WIRE_RES Range 10e6 Input_Resistance NIDMM_VAL_RESISTANCE_NA LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustOffset with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_4_WIRE_RES Range 1e6 Input_Resistance NIDMM_VAL_RESISTANCE_NA ...

Страница 115: ...W Block Diagram C C Function Call Call niDMM_CalAdjustOffset with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_4_WIRE_RES Range 100 Input_Resistance NIDMM_VAL_RESISTANCE_NA LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustOffset with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_2_WIRE_R...

Страница 116: ...e The instrument handle from niDMM_init Mode NIDMM_VAL_2_WIRE_RES Range 100e3 Input_Resistance NIDMM_VAL_RESISTANCE_NA LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustOffset with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_2_WIRE_RES Range 10e3 Input_Resistance NIDMM_VAL_RESISTANCE_NA LabVIEW Block Diagram C C Function Call Call niDMM...

Страница 117: ... are not performing additional adjustments refer to one of the following sections Verification Procedures to verify your new calibration coefficients before saving them to the EEPROM Completing the Adjustment Procedures if you do not want to verify the adjustments you have just made LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustOffset with the following parameters Instrument_Handle T...

Страница 118: ...or output and parameter values as you complete the following steps a On the calibrator generate the value listed under Calibrator Output in Table 17 for the current iteration b Call the niDMM Cal Adjust Gain VI with Mode set to NIDMM_VAL_AC_VOLTS Set the remaining parameters as shown in Table 17 for the current iteration c Call the niDMM Cal Adjust Gain VI again changing Mode to NIDMM_VAL_AC_VOLTS...

Страница 119: ... 0 05 50 mV 1 NIDMM_VAL_AC_VOLTS_DCC OUPLED 0 05 NIDMM_VAL_10_MEGAOHM 0 05 2 500 mV 1 NIDMM_VAL_AC_VOLTS 0 5 NIDMM_VAL_10_MEGAOHM 0 5 500 mV 1 NIDMM_VAL_AC_VOLTS_DCC OUPLED 0 5 NIDMM_VAL_10_MEGAOHM 0 5 3 5 V 1 NIDMM_VAL_AC_VOLTS 5 NIDMM_VAL_10_MEGAOHM 5 5 V 1 NIDMM_VAL_AC_VOLTS_DCC OUPLED 5 NIDMM_VAL_10_MEGAOHM 5 4 50 V 1 NIDMM_VAL_AC_VOLTS 50 NIDMM_VAL_10_MEGAOHM 50 50 V 1 NIDMM_VAL_AC_VOLTS_DCC ...

Страница 120: ...ll niDMM_CalAdjustOffset with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_AC_VOLTS LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustOffset with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_AC_VOLTS_ DCCOUPLED Table 18 niDMM_CalAdjustOffset Parameters Iteration niDMM_CalAdjustOffset Par...

Страница 121: ...M_VAL_AC_VOLTS_DCCOUPLED 4 NIDMM_VAL_AC_VOLTS 50 NIDMM_VAL_10_MEGAOHM NIDMM_VAL_AC_VOLTS_DC COUPLED 50 NIDMM_VAL_10_MEGAOHM 5 NIDMM_VAL_AC_VOLTS 700 NIDMM_VAL_10_MEGAOHM NIDMM_VAL_AC_VOLTS_DC COUPLED 700 NIDMM_VAL_10_MEGAOHM LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustACFilter with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_AC_VO...

Страница 122: ...2 50 mV 5 NIDMM_VAL_AC_VOLTS 0 05 5e3 0 05 50 mV 5 NIDMM_VAL_AC_VOLTS_DCCOUPLED 0 05 5e3 0 05 3 50 mV 20 NIDMM_VAL_AC_VOLTS 0 05 20e3 0 05 50 mV 20 NIDMM_VAL_AC_VOLTS_DCCOUPLED 0 05 20e3 0 05 4 50 mV 50 NIDMM_VAL_AC_VOLTS 0 05 50e3 0 05 50 mV 50 NIDMM_VAL_AC_VOLTS_DCCOUPLED 0 05 50e3 0 05 5 50 mV 100 NIDMM_VAL_AC_VOLTS 0 05 100e3 0 05 50 mV 100 NIDMM_VAL_AC_VOLTS_DCCOUPLED 0 05 100e3 0 05 6 50 mV ...

Страница 123: ...M_VAL_AC_VOLTS_DCCOUPLED 0 5 20e3 0 5 12 500 mV 50 NIDMM_VAL_AC_VOLTS 0 5 50e3 0 5 500 mV 50 NIDMM_VAL_AC_VOLTS_DCCOUPLED 0 5 50e3 0 5 13 500 mV 100 NIDMM_VAL_AC_VOLTS 0 5 100e3 0 5 500 mV 100 NIDMM_VAL_AC_VOLTS_DCCOUPLED 0 5 100e3 0 5 14 500 mV 200 NIDMM_VAL_AC_VOLTS 0 5 200e3 0 5 500 mV 200 NIDMM_VAL_AC_VOLTS_DCCOUPLED 0 5 200e3 0 5 15 500 mV 300 NIDMM_VAL_AC_VOLTS 0 5 300e3 0 5 500 mV 300 NIDMM...

Страница 124: ...NIDMM_VAL_AC_VOLTS_DCCOUPLED 5 20e3 5 20 5 V 50 NIDMM_VAL_AC_VOLTS 5 50e3 5 5 V 50 NIDMM_VAL_AC_VOLTS_DCCOUPLED 5 50e3 5 21 5 V 100 NIDMM_VAL_AC_VOLTS 5 100e3 5 5 V 100 NIDMM_VAL_AC_VOLTS_DCCOUPLED 5 100e3 5 22 5 V 200 NIDMM_VAL_AC_VOLTS 5 200e3 5 5 V 200 NIDMM_VAL_AC_VOLTS_DCCOUPLED 5 200e3 5 23 5 V 300 NIDMM_VAL_AC_VOLTS 5 300e3 5 5 V 300 NIDMM_VAL_AC_VOLTS_DCCOUPLED 5 300e3 5 Table 19 niDMM_Cal...

Страница 125: ..._VAL_AC_VOLTS_DCCOUPLED 50 20e3 50 28 50 V 50 NIDMM_VAL_AC_VOLTS 50 50e3 50 50 V 50 NIDMM_VAL_AC_VOLTS_DCCOUPLED 50 50e3 50 29 50 V 100 NIDMM_VAL_AC_VOLTS 50 100e3 50 50 V 100 NIDMM_VAL_AC_VOLTS_DCCOUPLED 50 100e3 50 30 50 V 200 NIDMM_VAL_AC_VOLTS 50 200e3 50 50 V 200 NIDMM_VAL_AC_VOLTS_DCCOUPLED 50 200e3 50 31 50 V 300 NIDMM_VAL_AC_VOLTS 50 300e3 50 50 V 300 NIDMM_VAL_AC_VOLTS_DCCOUPLED 50 300e3 ...

Страница 126: ..._VOLTS_DCCOUPLED 700 20e3 100 36 100 V 50 NIDMM_VAL_AC_VOLTS 700 50e3 100 100 V 50 NIDMM_VAL_AC_VOLTS_DCCOUPLED 700 50e3 100 37 100 V 100 NIDMM_VAL_AC_VOLTS 700 100e3 100 100 V 100 NIDMM_VAL_AC_VOLTS_DCCOUPLED 700 100e3 100 38 100 V 200 NIDMM_VAL_AC_VOLTS 700 200e3 100 100 V 200 NIDMM_VAL_AC_VOLTS_DCCOUPLED 700 200e3 100 39 50 V 300 NIDMM_VAL_AC_VOLTS 700 300e3 50 50 V 300 NIDMM_VAL_AC_VOLTS_DCCOU...

Страница 127: ... 10 V 500 NIDMM_VAL_AC_VOLTS 700 500e3 10 10 V 500 NIDMM_VAL_AC_VOLTS_DCCOUPLED 700 500e3 10 Table 19 niDMM_CalAdjustACFilter Parameters Continued Iteration Calibrator Output niDMM_CalAdjustACFilter Parameters Amplitude Frequency kHz Mode Range V Frequency Hz Expected Value ...

Страница 128: ...ions If you skip this section and you want to verify the new calibration coefficients before saving them to the EEPROM repeat the Verification Procedures section except for Verifying DC Voltage If you skip this section and you do not want to verify the new calibration coefficients go to the Completing the Adjustment Procedures section Note The 90 day DC current uncertainty of the Fluke 5720A is no...

Страница 129: ...MM Read VI Configure the NI 4071 for a current mode before applying current 6 Generate 1 A on the calibrator with the current output set to NORM LabVIEW Block Diagram C C Function Call Call niDMM_ConfigureMeasurement Digits with the following parameters Instrument_Handle The instrument handle from niDMM_init Resolution_Digits 6 5 Measurement_Function NIDMM_VAL_DC_CURRENT Range 1e 6 LabVIEW Block D...

Страница 130: ...ollowing parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_DC_CURRENT Range 1e 6 Input_Resistance NIDMM_VAL_RESISTANCE_NA Expected_Value 1e 6 LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustGain with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_DC_CURRENT Range 1e 6 Input_Resistance NIDMM_VAL_RESISTANCE_...

Страница 131: ...calibrator with the current output set to NORM 17 Call the niDMM Cal Adjust Gain VI with the following parameters 18 Generate 100 A on the calibrator with the current output set to NORM LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustGain with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_DC_CURRENT Range 10e 6 Input_Resistance NIDMM_VA...

Страница 132: ...he calibrator with the current output set to NORM LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustGain with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_DC_CURRENT Range 100e 6 Input_Resistance NIDMM_VAL_RESISTANCE_NA Expected_Value The characterized 100 A value LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustGain with the ...

Страница 133: ... Gain VI with the following parameters 29 Generate 10 mA on the calibrator with the current output set to NORM LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustGain with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_DC_CURRENT Range 1e 3 Input_Resistance NIDMM_VAL_RESISTANCE_NA Expected_Value The characterized 1 mA value LabVIEW Block Di...

Страница 134: ...h the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_DC_CURRENT Range 0 01 Input_Resistance NIDMM_VAL_RESISTANCE_NA Expected_Value 0 01 LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustGain with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_DC_CURRENT Range 0 1 Input_Resistance NIDMM_VAL_RESIS...

Страница 135: ...C C Function Call Call niDMM_CalAdjustGain with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_DC_CURRENT Range 1 Input_Resistance NIDMM_VAL_RESISTANCE_NA Expected_Value 0 5 LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustGain with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_DC_CURRENT ...

Страница 136: ... niDMM_CalAdjustGain with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_DC_CURRENT Range 3 Input_Resistance NIDMM_VAL_RESISTANCE_NA Expected_Value 0 5 LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustOffset with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_DC_CURRENT Range 1e 6 Input_Res...

Страница 137: ...Handle The instrument handle from niDMM_init Mode NIDMM_VAL_DC_CURRENT Range 100e 6 Input_Resistance NIDMM_VAL_RESISTANCE_NA LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustOffset with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_AC_CURRENT Range 100e 6 Input_Resistance NIDMM_VAL_RESISTANCE_NA LabVIEW Block Diagram C C Function Call Ca...

Страница 138: ...e The instrument handle from niDMM_init Mode NIDMM_VAL_AC_CURRENT Range 1e 3 Input_Resistance NIDMM_VAL_RESISTANCE_NA LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustOffset with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_DC_CURRENT Range 0 01 Input_Resistance NIDMM_VAL_RESISTANCE_NA LabVIEW Block Diagram C C Function Call Call niDMM_...

Страница 139: ...ent_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_DC_CURRENT Range 0 1 Input_Resistance NIDMM_VAL_RESISTANCE_NA LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustOffset with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_AC_CURRENT Range 0 1 Input_Resistance NIDMM_VAL_RESISTANCE_NA LabVIEW Block Diagram C C Function Call Call...

Страница 140: ...andle The instrument handle from niDMM_init Mode NIDMM_VAL_AC_CURRENT Range 1 Input_Resistance NIDMM_VAL_RESISTANCE_NA LabVIEW Block Diagram C C Function Call Call niDMM_CalAdjustOffset with the following parameters Instrument_Handle The instrument handle from niDMM_init Mode NIDMM_VAL_DC_CURRENT Range 3 Input_Resistance NIDMM_VAL_RESISTANCE_NA LabVIEW Block Diagram C C Function Call Call niDMM_Ca...

Страница 141: ...DMM Close External Cal VI with the following parameter Action NIDMM_EXTCAL_ACTION_SAVE if the results of the calibration were satisfactory and you want to save the new calibration coefficients to the EEPROM Otherwise Action NIDMM_EXTCAL_ACTION_ABORT if the results of the calibration were unsatisfactory and you want to restore the original calibration coefficients to the EEPROM LabVIEW Block Diagra...

Страница 142: ...rification Procedures section Note Use the 24 Hour Limits for a post adjustment verification only Otherwise use the 2 Year Limits Limits in the following tables are based upon the September 2008 edition of the NI 4071 Specifications Refer to the most recent NI 4071 specifications online at ni com manuals If a more recent edition of the specifications is available recalculate the limits based upon ...

Страница 143: ... mV 100 mV 10 G 10 M 89 9974 mV 90 0026 mV 89 99821 mV 90 00179 mV 90 mV 100 mV 10 G 10 M 90 0026 mV 89 9974 mV 90 00179 mV 89 99821 mV 900 mV 1 V 10 G 10 M 899 9844 mV 900 0156 mV 899 9905 mV 900 0096 mV 900 mV 1 V 10 G 10 M 900 0156 mV 899 9844 mV 900 0096 mV 899 9905 mV 9 V 10 V 10 G 10 M 8 999887 V 9 000113 V 8 999952 V 9 000048 V 5 V 10 V 10 G 4 999935 V 5 000065 V 4 99997 V 5 00003 V 2 5 V 1...

Страница 144: ...nge Coupling 2 Year Limits Amplitude Frequency Lower Upper 4 5 mV 1 kHz 50 mV AC DC 4 4878 mV 4 5123 mV 45 mV 30 Hz 50 mV DC 44 9450 mV 45 0550 mV 45 mV 50 Hz 50 mV AC DC 44 9675 mV 45 0325 mV 45 mV 1 kHz 50 mV AC DC 44 9675 mV 45 0325 mV 45 mV 1 kHz 500 mV AC DC 44 953 mV 45 048 mV 45 mV 20 kHz 50 mV AC DC 44 9675 mV 45 0325 mV 45 mV 50 kHz 50 mV AC DC 44 9585 mV 45 0415 mV 45 mV 100 kHz 50 mV AC...

Страница 145: ...9 680 mV 450 320 mV 450 mV 100 kHz 500 mV AC DC 449 050 mV 450 950 mV 450 mV 300 kHz 500 mV AC DC 446 100 mV 453 900 mV 4 5 V 30 Hz 5 V DC 4 49525 V 4 50475 V 4 5 V 50 Hz 5 V AC DC 4 49750 V 4 50250 V 1 V 1 kHz 5 V AC DC 0 99925 V 1 00075 V 2 V 1 kHz 5 V AC DC 1 99875 V 2 00125 V 3 V 1 kHz 5 V AC DC 2 99825 V 3 00175 V 4 5 V 1 kHz 5 V AC DC 4 49750 V 4 50250 V 4 5 V 1 kHz 50 V AC DC 4 4923 V 4 507...

Страница 146: ... V 45 097 V 45 V 20 kHz 50 V AC DC 44 9680 V 45 0320 V 45 V 50 kHz 50 V AC DC 44 9210 V 45 0790 V 45 V 100 kHz 50 V AC DC 44 7050 V 45 2950 V 45 V 300 kHz 50 V AC DC 43 5750 V 46 4250 V 200 V 30 Hz 700 V DC 199 765 V 200 235 V 630 V 50 Hz 700 V AC DC 629 552 V 630 448 V 630 V 1 kHz 700 V AC DC 629 552 V 630 448 V 200 V 20 kHz 700 V AC DC 199 810 V 200 190 V 200 V 50 kHz 700 V AC DC 199 410 V 200 5...

Страница 147: ...ational Instruments 147 200 V 100 kHz 700 V AC DC 198 450 V 201 550 V 70 V 300 kHz 700 V AC DC 66 850 V 73 150 V Table 21 NI 4071 AC Voltage Verification Limits Continued Calibrator Output Range Coupling 2 Year Limits Amplitude Frequency Lower Upper ...

Страница 148: ...at 10 MΩ Table 22 Example of 4 wire Verification Tolerance Calculations at 10 MΩ Parameter Value Fluke 5720A nominal value 10 MΩ Fluke 5720A displayed value 10 10604 MΩ NI 4071 range 10 MΩ NI 4071 two year specification in ppm of calibrator resistance 90 ppm NI 4071 two year specification in ppm of range 10 ppm Tolerance in MΩ 10 10604 90 1 000 000 10 10 1 000 000 0 00101 Lower limit 10 10604 0 00...

Страница 149: ...cation NI 4071 Specification ppm of Calibrator Resistance ppm of Range Fluke 5720 Specification ppm of Output 10 M 10 M 90 10 60 5 31 1 M 1 M 52 1 5 1 15 100 k 100 k 50 8 5 2 9 10 k 10 k 48 0 5 5 0 5 7 5 1 k 1 k 48 0 5 5 0 5 7 5 100 100 56 4 8 2 5 9 0 10 M 0 10 0 5 0 0 1 M 0 1 0 1 0 0 100 k 0 8 0 2 0 0 10 k 0 0 5 0 0 5 0 0 1 k 0 0 5 0 0 5 40 µ 0 100 0 4 0 2 5 40 µ The Fluke 5720 Specification is a...

Страница 150: ... ppm of Calibrator Resistance ppm of Range 24 Hour Tolerance NI 4071 Specification Fluke 5720 Specification NI 4071 Specification ppm of Calibrator Resistance ppm of Range Fluke 5720 Specification ppm of Output 0 100 M 0 20 0 6 N A 0 10 M 0 10 0 5 N A 0 1 M 0 1 2 0 1 2 N A 0 100 k 0 10 0 4 N A 0 10 k 0 20 5 0 20 5 N A 0 1 k 0 200 5 0 200 5 N A 0 100 0 2004 0 2002 5 N A 1 G 5 G 50 000 2 000 10 000 ...

Страница 151: ...dard resistor Fluke 5720A specifications include derating for under current adder and use of calibrator active compensation These specifications should be combined with both the 2 year and 24 hour tolerance of the PXI 4071 Table 24 NI 4071 2 Wire Resistance Verification Tolerances Continued Calibrator Resistance Range 2 Year Tolerance ppm of Calibrator Resistance ppm of Range 24 Hour Tolerance NI ...

Страница 152: ...e calibrator output to better than published specifications Use metrology laboratory methods to obtain the required uncertainty Monitor the current applied using a DC current shunt voltmeter system in series with the calibrator output Refer to Table 13 for the recommended DC current uncertainty requirements for the DC current shunt voltmeter system Note Tolerances are relative to the nominal calib...

Страница 153: ...ication NI 4071 Specification ppm of Calibrator Amplitude ppm of Range Fluke 5720 Specification ppm of Output 0 A 100 µA 0 20 0 20 N A 0 A 1 mA 0 20 0 20 N A 0 A 10 mA 0 20 0 20 N A 0 A 100 mA 0 20 0 20 N A 0 A 1 A 0 20 0 20 N A 0 A 3 A 0 30 0 30 N A 100 A 100 A 100 20 10 20 40 100 A 100 A 100 20 10 20 40 1 mA 1 mA 100 20 4 20 40 1 mA 1 mA 100 20 4 20 40 9 mA 10 mA 110 20 12 20 30 9 mA 10 mA 110 2...

Страница 154: ...ative to the characterized values of the Fluke 5720A calibrator amplitude The Fluke 5720 Specification is a 90 day 95 confidence specification that is included in the 24 Hour Tolerance Table 25 NI 4071 DC Current Verification Tolerances Calibrator Amplitude Range 2 Year Tolerance ppm of Calibrator Amplitude ppm of Range 24 Hour Tolerance NI 4071 Specification Fluke 5720 Specification NI 4071 Speci...

Страница 155: ...0 A 900 A 1 kHz 10 mA 897 73 A 902 27 A 9 mA 1 kHz 10 mA 8 99530 mA 9 00470 mA 9 mA 1 kHz 100 mA 8 9773 mA 9 0227 mA 90 mA 55 Hz 100 mA 89 9530 mA 90 0470 mA 90 mA 5 kHz 100 mA 89 9530 mA 90 0470 mA 90 mA 1 kHz 100 mA 89 9530 mA 90 0470 mA 90 mA 1 kHz 1 A 89 71 mA 90 29 mA 900 mA 1 kHz 1 A 898 90 mA 901 10 mA 300 mA 1 kHz 3 A 299 1 mA 300 9 mA 2 2 A 1 kHz 3 A 2 1972 A 2 2028 A Table 27 Frequency L...

Страница 156: ...racy limits or the 2 year accuracy limits when the 24 hour limits are not specified Note You must compare the verification limits provided in this procedure with the most recent specifications Refer to the latest NI 4071 specifications at ni com manuals Depending on your measurement and accuracy requirements a complete calibration of the NI 4071 may not be necessary A number of options are availab...

Страница 157: ...de Verify Frequency Mode Go to Verifying Frequency Go to Verifying AC Current Go to Verifying DC Current Go to Verifying 2 Wire Resistance Go to Verifying 4 Wire Resistance Go to Verifying AC Voltage Go to Verifying DC Voltage Yes Yes Yes Yes Yes Yes Yes No No No No No No No Go to Initial Setup Pre Adjustment Post Adjustment Go to Adjustment Procedures Flowchart Is this a Pre Adjustment or Post Ad...

Страница 158: ...s Verification No No Yes Yes No Go to Adjusting DC Voltage and Resistance Adjust AC Voltage Modes Go to Adjusting AC Voltage Modes Adjust Current Modes Go to Adjusting Current Modes Perform Post Adjustment Verification Go to Verification Procedures Flowchart Go to Completing the Adjustment Procedures ...

Страница 159: ...n FAR 52 227 14 DFAR 252 227 7014 and DFAR 252 227 7015 Where to Go for Support The National Instruments Web site is your complete resource for technical support At ni com support you have access to everything from troubleshooting and application development self help resources to email and phone assistance from NI Application Engineers A Declaration of Conformity DoC is our claim of compliance wi...

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