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National Instruments Corporation
33
NI 5450 Calibration Procedure
Note
The same time source is used for both channel 0 and channel 1, so you only need to
verify the timing accuracy on one channel.
15. End the session using the niScope Close VI.
You have finished verifying the timing accuracy of the NI 5152/5153/5154.
Table 10.
NI 5152/5152/5154 Timing Error
Device
Calibration Test Limit
Published Specification
NI 5152
+/– Calibration Test Limits
Timebase Accuracy
: ±30 ppm within ±3 °C of
external calibration temperature
Timebase Drift
: ±7 ppm per °C
NI 5153/5154
+/– Calibration Test Limits
Timebase Accuracy
: ±30 ppm within ±3 °C of
external calibration temperature
Timebase Drift
: ±7 ppm per °C
LabVIEW VI
C/C++ Function Call
Call
niScope_close
with the following
parameters:
vi
: The instrument handle from
niScope_init
Table 11.
Timing Accuracy
Device
Calibration Test Limit
Published Specification
NI 5152
18.5 ppm
25 ppm
NI 5153/5154
18.5 ppm
30 ppm