National Instruments NI 4070/4072 6 1/2-Digit FlexDMM 用户手册

© National Instruments Corporation

3.

Call 

niDMM_reset

 to reset the NI 4070/4072 to a known state.

4.

Set the current output on the calibrator to NORM and output 0 A.

5.

Call 

niDMM_ConfigureMeasurement

 with the following 

parameters:

•

Function = 

NIDMM_VAL_DC_CURRENT

•

Range = 

0.02

•

Resolution = 

20e–9

6.

Call 

niDMM_Read

. Verify that this measurement falls between the 

limits listed in Table 19.

7.

Call 

niDMM_ConfigureMeasurement

 with the following 

parameters:

•

Function = 

NIDMM_VAL_DC_CURRENT

•

Range = 

0.2

•

Resolution = 

200e–9

8.

Call 

niDMM_Read

. Verify that this measurement falls between the 

limits listed in Table 19.

9.

Call 

niDMM_ConfigureMeasurement

 with the following 

parameters:

•

Function = 

NIDMM_VAL_DC_CURRENT

•

Range = 

1

•

Resolution = 

1e–6

10. Call 

niDMM_Read

. Verify that this measurement falls between the 

limits listed in Table 19.

11. Call 

niDMM_ConfigureMeasurement

 with the following 

parameters:

•

Function = 

NIDMM_VAL_DC_CURRENT

•

Range = 

0.02

•

Resolution = 

20e–9

12. Call 

niDMM_Read

 to configure the NI 4070/4072 for a current mode 

before applying current.

Table 9.  Fluke 5440 Cable Connections

HI SENSE

Red

OUTPUT HI

LO

Black

OUTPUT LO

(No connection)

Blue

V GUARD