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NI 9215 Calibration Procedure
6.
Compare the average sample for each channel to the test limits in Table 4.
7.
Repeat steps 4 through 6 for each Test Point in Table 4.
8.
Set the calibrator to Standby mode (STBY).
9.
Disconnect the NI 9215 from the calibrator.
Adjustment
The following performance adjustment procedure describes the sequence of operation required
to adjust the NI 9215.
Accuracy Adjustment
Complete the following procedure to adjust the accuracy performance of the NI 9215.
1.
Set the calibrator to Standby mode (STBY).
2.
Connect the NI 9215 to the calibrator. Refer to Figure 1 for a connection diagram for the
NI 9215 with screw and refer to Figure 2 for a connection diagram for the NI 9215 with
BNC.
3.
Adjust the NI 9215.
a.
Initialize a calibration session on the NI 9215. The default password is
NI
.
b.
Input the external temperature in degrees Celsius.
c.
Call the NI 9215 get C Series adjustment points function to obtain an array of
recommended calibration voltages for the NI 9215.
d.
Set the calibrator to a reference value determined by the array of recommended
calibration voltages.
e.
Set the calibrator to Operate mode (OPR).
f.
Call and configure the NI 9215 adjustment function according to Table 5.
g.
Set the calibrator to Standby mode (STBY).
Table 4.
NI 9215 Test Limits
Range (V)
Test Point
1-Year Limits
Min
Max
Location
Value (V)
Lower Limit (V)
Upper Limit (V)
-10.000
10.000
Max
9.500000
9.494700
9.505300
-10.000
10.000
Mid
0.000000
-0.001500
0.001500
-10.000
10.000
Min
-9.500000
-9.505300
-9.494700
Table 5.
Adjustment Configuration
Physical Channel
Reference Value
cDAQMod8/ai
x
The reference value from the array of adjustment points
