YOKOGAWA WT110 User Manual page 6

WARNING
IM 253401-01E
Do not Operate in an Explosive Atmosphere
Do not operate the instrument in the presence of flammable liquids or
vapors.
Operation of any electrical instrument in such an environment constitutes a
safety hazard.
Protective Grounding
Make sure to connect the protective grounding to prevent an electric shock
before turning ON the power.
Necessity of Protective Grounding
Never cut off the internal or external protective grounding wire or
disconnect the wiring of protective grounding terminal. Doing so poses a
potential shock hazard.
Defect of Protective Grounding
Do not operate the instrument when protective grounding or fuse might be
defective.
Power Cord and Plug
To prevent an electric shock or fire, be sure to use the power cord supplied
by YOKOGAWA. The main power plug must be plugged in an outlet with
protective grounding terminal. Do no invalidate protection by using an
extension cord without protective grounding.
Power Supply
Ensure the source voltage matches the voltage of the power supply before
turning ON the power.
External Connection
To ground securely, connect the protective grounding before connecting to
measurement or control unit.
Fuse
To prevent a fire, make sure to use fuses with specified standard (current,
voltage, type). Before replacing the fuse, turn OFF the power and
disconnect the power source. Do not use a different fuse or short-circuit the
fuse holder.
Do not Remove any Covers
There are some areas with high voltage. Do not remove any cover if the
power supply is connected. The cover should be removed by qualified
personnel only.
Safety Precautions
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