user manual

Chapter 3: Testing Performance
To test time measurement accuracy
3–20
26
Clear measurement statistics as in step 18 and restart the measurement.
27 The delta time reading should be 1 µs ± 2.595 ns, minimum 997.4 ns and maximum
1.0026
µs. Record the minimum and maximum readings in the Performance Test
Record.
28 Select Measurement Definitions from the Customize submenu of the Measure menu.
(If you have code Revision A.03.00 or higher, select Delta Time from the Measurements
Definitions submenu of the Measure menu.)
29 Set the To Edge # to 6 with Direction Rising and Threshold Middle. Click Close.
See figure 3-13.
Figure 3-13
New Measurement Settings for Delta Time Measurement
30 Clear measurement statistics as in step 18 and restart the measurement.
31 The delta time readings should be 5 µs ± 2.875 ns, minimum 4.9971 µs and maximum
5.0029
µs. Record the minimum and maximum readings in the Performance Test
Record.