3
Keysight E4991B Impedance Analyzer
Installation Guide
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Caution
Do not exceed the operating input power, voltage, and current level and
signal type appropriate for the instrument being used, refer to your
in
strument’s Function Reference.
Electrostatic discharge (ESD) can damage the highly sensitive
microcircuits in your instrument. ESD damage is most likely to occur as the test
fi
xtures are being connected or disconnected. Protect them from ESD damage
by wearing a grounding strap that provides a high resistance path to ground.
Alternatively, ground yourself to discharge any static charge built- up by
touching the outer shell of any grounded instrument chassis before touching
the test port connectors.
Safety Summary
When you notice any of the unusual conditions listed below, immediately
terminate operation and disconnect the power cable.
Contact your local Ke
ysight Technologies sales representative or authorized
service company for repair of the instrument. If you continue to operate
without repairing the instrument, there is a potential fire or shock hazard to the
operator.
• Instrument operates abnormally.
• Instrument emits abnormal noise, smell, smoke or a spark- like light during
operation.
• Instrument generates high temperature or electrical shock during
operation.
• Power cable, plug, or receptacle on instrument is damaged.
• Foreign substance or liquid has fallen into the instrument.
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