Safety Precautions
3-3
Figure 3-3
6. Dangerous areas during a test
It is very dangerous to touch any high voltage area while a test is running. Do not touch
the DUT, test cable, probe, or output terminal.
Do not touch the alligator clips on the test cable when the analyzer is
running a test. The insulation of the plastic layer is not enough to
prevent a shock hazard (See
Figure 3-4.)
Figure 3-4
High voltage may be present for a period of time after the power
has been turned off.
7. Test complete confirmation
Follow the steps below BEFORE touching the DUT, high voltage test cable, or output
terminal areas when modifying the circuit under test conditions or upon test completion:
• Ensure the power switch is turned off.
• The DUT will have high voltage on it when the insulation resistance test is run.
Be sure to follow the steps in items 8 and 9.
High Voltage is present when testing insulation resistance.
8. Charge on DUT during insulation resistance test
When the insulation resistance test is run, the DUT, capacitor, test cable, probe, and
output terminal have high voltage on them. After turning off the power switch, the test
system needs a period of time to discharge. DO NOT touch any test area that may cause
shock immediately after the power has been turned off.
high voltage is present.
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