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3-4
IM CW240E
3.2
Connecting a Power Supply
To connect the instrument to a power supply, use the AC adapter(accessorie).
As backup power supply against a power failure, one of the following batteries
can be used. Use them together with the AC adapter.
• Alkaline batteries (accessorie)
See 3.2.2, Using Alkaline Batteries.
• NiMH battery pack (optional)
See 3.2.3, Using a NiMH (Nickel-Hydrogen) Battery Pack.
3.2.1
Connecting the AC Adapter
●
Before Connecting a Power Supply
There is a danger of electrical shock or damage to the instrument. Observe the
following cautionary notes when handling the AC adapter.
WARNING
• Use only the Yokogawa-supplied dedicated power cord.
• Check that the power source voltage matches the supply voltage rating of the
AC adapter, and then connect the power cord to the outlet.
• Check that the power switch of the CW240 is turned OFF and then connect the
power cord.
• If the CW240 is not used for a prolonged period, disconnect the AC adapter
power cord from the outlet.
• Do not use any AC adapter other than the one (part number: 788011) dedicated
to the CW240.
• Do not place any objects on the AC adapter or power cord, and do not let the
power cord come into contact with a heating element.
• Always hold the plug of the power cord rather than holding and pulling the
cord itself when disconnecting it from the outlet.