YOKOGAWA CW120 - Page 8

6
IM CW120-E
Precautions for Safe Use of the Instrument
Strictly observe the following cautionary notes in order to avoid the risk of
injury or death of personnel or damage to the instrument due to such hazards
as electrical shock.
WARNING
● Removal of Case from the Instrument
• Do not remove the case from the instrument or disassemble/modify the instrument itself.
• Some parts of the inside of the instrument contain high-voltage and, therefore, access to
the internal assembly is extremely hazardous. For inspection and/or adjustment of the in-
ternal assembly, contact the vendor from which you purchased the instrument.
● Use of the Instrument in a Gas Atmosphere
Do not operate the instrument in a location where any flammable or explosive gas/vapor is
present. It is extremely hazardous to operate the instrument in such an atmosphere.
● Inspection of Power Source
• Before turning on the instrument, always make sure the voltage of the power source to be
applied matches the instrument’s supply voltage.
● Use of Clamp-on Current Probes
• When using clamp-on current probes, keep the circuit voltage below 600 V AC in order to
avoid possible short-circuits or accidents resulting in injury or death.
• Ensure that the rated current of the circuit you measure matches the rating of the current
probe.
•Avoid using the instrument if it has been exposed to rain or moisture or if your hands are
wet.
• Do not use clamp-on current probes with any non-insulated conductors.
● Measures In Case of Anomalies
If the instrument begins to emit smoke, becomes too hot, or gives off an unusual smell, imme-
diately turn it off and disconnect the power cord from the outlet. Also turn off power to the
object under measurement that is connected to the instrument’s input terminals. Never at-
tempt to use the instrument again. If any such anomalies as noted above occurs, contact the
vendor from which you purchased the instrument. Do not attempt to repair the instrument
yourself, as doing so is extremely dangerous.
● Handling of Power Cord
• Use only the cord supplied from Yokogawa M&C to prevent electric shocks and fire.
• Do not place any load on the power cord or allow the power cord to come into accidental
contact with any heat source. When unplugging the power cord from the outlet, hold its
plug, rather than holding and pulling the cord itself.
• If the power cord is damaged, contact the vendor from which you purchased the instrument.
● Fuses
Fuses built into this instrument for protection cannot be replaced by the user. When any built-
in fuses need to be replaced such as because they have blown, contact the vendor from which
you purchased the instrument.