Chapter 2 Making Preparations For Measurements; Handling Precautions - YOKOGAWA WT1800 User Manual

Precision power analyzer
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Chapter 2
Making Preparations for Measurements
2.1

Handling Precautions

Safety Precautions
If you are using this instrument for the first time, make sure to read "Safety Precautions" on pages vii
to ix.
Do Not Remove the Case
Do not remove the case from the instrument. Some parts of the instrument use high voltages and
are extremely dangerous. For internal inspection and adjustment, contact your nearest YOKOGAWA
dealer.
Unplug If Abnormal Behavior Occurs
If you notice smoke or unusual odors coming from the instrument, immediately turn off the power and
unplug the power cord. Also, turn off the power to any circuits under measurement that are connected
to the input terminals. Then, contact your nearest YOKOGAWA dealer.
Do Not Damage the Power Cord
Nothing should be placed on top of the power cord. The power cord should also be kept away from
any heat sources. When unplugging the power cord from the outlet, never pull by the cord itself. Be
sure to hold and pull by the plug. If the power cord is damaged, purchase a replacement with the same
part number as the one indicated on page v.
General Handling Precautions
Do Not Place Objects on Top of the Instrument
Never stack the instrument or place other instruments or any objects containing water on top of it.
Doing so may cause the instrument to malfunction.
Keep Electrically Charged Objects Away from the Instrument
Keep electrically charged objects away from the input terminals. They may damage the internal
circuitry.
Do Not Damage the LCD
Because it is very easy to damage the LCD, do not allow any sharp objects near it. Also, the LCD
should not be exposed to vibration or mechanical shock.
During Extended Periods of Non-Use
Turn off the power to the circuit under measurement and the instrument and remove the power cord
from the outlet.
IM WT1801-03EN
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App
Index
2-1

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