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16. The software will automatically run the Surge test on leads 1 and 2. As it does, examine the voltage level and
waveform to ensure that you are getting a good reference.
Fig 118: Ramping voltage to acquire Lead 1 waveform for test reference.
17. When both leads have been tested, the software will automatically close the Surge Tests window and return you
to the Tests tab.
18. The software will ask if you want to save the test result as a reference.
19. Click Yes if you are satisfied that you have a good reference level and waveform.
20. Click on Save to ensure that your new settings are retained.
21. Open the Surge Test window again. You should see that the Test-Ref EAR elements have been enabled. At this
time, you should ensure that the EAR percentage is set to the value you need. An EAR of 3% is commonly used
for coil comparison purposes.
22. After making final adjustments, click on Close.
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Fig 119: Ramping voltage to acquire Lead 1
Test Procedures
109
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