30
|
ni.com
|
NI VirtualBench Calibration Procedure
4.
Call
MSO Configure Analog Channel
with the following parameters:
•
Enable Channel
=
TRUE
•
Channel
=
mso/1
•
Vertical Coupling
=
DC
•
Probe Attenuation
=
1x
•
Vertical Range
=
20
•
Vertical Offset
=
0
5.
Call
MSO Run
.
6.
Call
MSO Read
. Calculate and record the average analog waveform. Verify that this
measurement falls within the limits in Table 13.
7.
Call
MSO Stop
.
8.
Repeat steps 4 to 7 for all of the ranges in Table 13.
Note
The 0.02 V range only applies to the VB-8034 and VB-8054.
9.
Call
MSO Close
.
Table 13.
Oscilloscope Offset Verification Limits
Range
(V)
Verification
Point (V)
1 Year Limits (mV)
24 Hour Limits (mV)
Lower
Upper
Lower
Upper
20
0
-400
400
-100
100
10
-200
200
-50
50
5
-100
100
-30
30
2
-40
40
-12
12
1
-20
20
-6
6
0.5
-10
10
-3
3
0.2
-4
4
-1.2
1.2
0.1
-2
2
-0.8
0.8
0.05
-1
1
-0.6
0.6
0.02
*
-0.4
0.4
-0.3
0.3
* VB-8034 and VB-8054 only.