National Instruments NI 9203, Процедура калибровки

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NI 9203 Calibration Procedure | © National Instruments | 5
c. Start the task.
d. Read samples from the NI 9203.
e. Average the samples.
f.
Clear the task.
6. Compare the average sample 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 9203 from the calibrator.
Adjustment
The following performance adjustment procedure describes the sequence of operation required
to adjust the NI 9203.
Gain Accuracy Adjustment
Complete the following procedure to adjust the gain accuracy performance of the NI 9203.
1. Set the calibrator to Standby mode (STBY).
2. Connect the NI 9203 to the calibrator. Refer to Figure 1 for a connection diagram.
3. Adjust the NI 9203.
a. Initialize a calibration session on the NI 9203. The default password is
NI
.
b. Input the external temperature in degrees Celsius.
Table 4.
NI 9203 Test Limits
Input
Range
Range (V) Test Point 1-Year Limits
Min Max Location Value (A)
Lower Limit
(A)
Upper Limit
(A)
Unipolar 0.000 0.020 Max 0.020000 0.019980 0.020020
0.000 0.020 Mid 0.010000 0.009988 0.010012
0.000 0.020 Min 0.000000 -0.000004 0.000004
Bipolar -0.020 0.020 Max 0.020000 0.019969 0.020031
-0.020 0.020 Mid 0.000000 -0.000014 0.000014
-0.020 0.020 Min -0.020000 -0.020031 -0.019969