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3.
Safety Precautions
The Hipot Tester can output up to 8kV high voltage for external tests. Incorrect use of this
tester may cause serious injury or death. Read the precautions in this chapter to prevent any
accident or injury.
1.
High voltage module replacement
If the optional high voltage module in the back of the unit is replaced, the hipot tester unit
must be recalibrated.
2.
Electric shock
To prevent electric shock, wear insulated rubber gloves while using the Hipot Tester.
3.
Grounding
A safety ground terminal is located on the rear of the tester chassis; ensure it is securely
grounded before use. A very dangerous situation may arise if the power circuit or the
connecting cables of any device shorts to the ground terminal as the chassis may
contain high voltage. Anyone who touches the device in this situation may experience an
electric shock. Connect the safety ground terminal to earth as shown in Figure 3-1.
4.
Connecting test cable to LOW terminal
Ensure the test cable is always connected when the tester is in use. When connecting a
test unit with a test cable, connect the RTN/LOW test cable to the UUT first. It is very
dangerous if the test cable on the RTN/LOW terminal is not already connected correctly
before the high voltage terminal is connected as the entire UUT may be a shock hazard.
5.
Connecting the test cable to high voltage output terminal
After the RTN/LOW test cable is connected, follow the steps below to connect the high
voltage output cable.
․
Press
.
STOP
․
Ensure the DANGER indicator is off.
Figure 3-1
Precaution before Use
3-1
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