METREL MI 3205 - Page 43

MI 3205 TeraOhm XA 5kV Measurements
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Diagnostic Test procedure:
 Select the Diagnostic test function.
 Set the test parameters (voltage, timer1 …).
 Connect the test leads to the instrument and to the test object.
 Press the START/STOP key to start the measurement.
 Press SELECT key to toggle between graph view and result view (optional).
 Wait for the set timers to run out.
 Wait for the object under test to discharge.
 Store the result by pressing MEM key (optional).
Figure 5.13: Example of Diagnostic test
result
Figure 5.14: Example of Diagnostic test
graph view
Timer1, Timer2 and Timer3 are timers with the same starting point. The value of each
presents the duration from the start of the measurement. The maximum time is limited to
99 min. The following Figure shows the timer relationships.
10min1min30 s
DAR PI
DD
t
Time1 ≤ Time2
Time2 ≤ Time3
Figure 5.15 Timer relations