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NI 4070/4072 Calibration Procedure
8
ni.com
4.
Call
niDMM_ConfigureMeasurement
with the following
parameters:
•
Function
=
NIDMM_VAL_DC_VOLTS
•
Range
=
1
•
Resolution
=
1e–6
5.
Set the input resistance of the NI 4070/4072 to >10 G
Ω
by calling
niDMM_SetAttributeViReal64
with the following parameters:
•
Attribute_ID
=
NIDMM_ATTR_INPUT_RESISTANCE
•
Attribute_Value
=
NIDMM_VAL_GREATER_THAN_10_GIGAOHM
6.
Call
niDMM_Read
. Verify that this measurement falls between the
limits listed in Table 17.
7.
Set the input resistance of the NI 4070/4072 to 10 M
Ω
by calling
niDMM_SetAttributeViReal64
with the following parameters:
•
Attribute_ID
=
NIDMM_ATTR_INPUT_RESISTANCE
•
Attribute_Value
=
NIDMM_VAL_10_MEGAOHM
8.
Call
niDMM_Read
. Verify that this measurement falls between the
limits listed in Table 17.
9.
Call
niDMM_ConfigureMeasurement
with the following
parameters:
•
Function
=
NIDMM_VAL_DC_VOLTS
•
Range
=
10
•
Resolution
=
10e–6
10. Set the input resistance of the NI 4070/4072 to >10 G
Ω
by calling
niDMM_SetAttributeViReal64
with the following parameters:
•
Attribute_ID
=
NIDMM_ATTR_INPUT_RESISTANCE
•
Attribute_Value
=
NIDMM_VAL_GREATER_THAN_10_GIGAOHM
11. Call
niDMM_Read
. Verify that this measurement falls between the
limits listed in Table 17.
12. Set the input resistance of the NI 4070/4072 to 10 M
Ω
by calling
niDMM_SetAttributeViReal64
with the following parameters:
•
Attribute_ID
=
NIDMM_ATTR_INPUT_RESISTANCE
•
Attribute_Value
=
NIDMM_VAL_10_MEGAOHM
13. Call
niDMM_Read
. Verify that this measurement falls between the
limits listed in Table 17.