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© National Instruments Corporation 29 NI 4070/4072 Calibration Procedure
45. Call niDMM_Read. Subtract the previously stored 1 MΩ range offset
from this measurement. Verify that the result falls between the
tolerances listed in Table 18.
46. Output 100 kΩ on the calibrator without external sense or 2-wire
compensation.
47. Call
niDMM_ConfigureMeasurement with the following
parameters:
• Function =
NIDMM_VAL_2_WIRE_RES
• Range = 100e3
• Resolution = 0.1
48. Call niDMM_Read. Subtract the previously stored 100 kΩ range offset
from this measurement. Verify that the result falls between the
tolerances listed in Table 18.
49. Output 10 kΩ on the calibrator with 2-wire compensation turned on
but with external sense turned off.
50. Call
niDMM_ConfigureMeasurement with the following
parameters:
• Function =
NIDMM_VAL_2_WIRE_RES
• Range = 10e3
• Resolution = 0.01
51. Call niDMM_Read. Subtract the previously stored 10 kΩ range offset
from this measurement. Verify that the result falls between the
tolerances listed in Table 18.
52. Output 1 kΩ on the calibrator with 2-wire compensation turned on
but with external sense turned off.
53. Call
niDMM_ConfigureMeasurement with the following
parameters:
• Function =
NIDMM_VAL_2_WIRE_RES
• Range = 1e3
• Resolution = 1e–3
54. Call niDMM_Read. Subtract the previously stored 1 kΩ range offset
from this measurement. Verify that the result falls between the
tolerances listed in Table 18.
55. Output 100 Ω on the calibrator with 2-wire compensation turned on
but with external sense turned off.
56. Call
niDMM_ConfigureMeasurement with the following
parameters:
• Function =
NIDMM_VAL_2_WIRE_RES
• Range = 100
• Resolution = 100e–6