2.3 Grounding and Power Supply Connection
2
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10
ZA 57630
2.3 Grounding and Power Supply Connection
■ Be sure to perform grounding.
!
WARNING
This instrument uses a line filter, which may cause electric shock if the product is not grounded.
To prevent electrical shock accidents, be sure to connect it to an earth ground so that ground
resistance is 100 Ω or less.
This instrument will be automatically grounded if the 3-pin power plug is connected to a
power outlet with a protective ground contact.
■ The power supply conditions of instrument are as follows.
Voltage range:
100 V to 230 VAC ±10 %, however 250 V or less
Frequency:
50 Hz / 60 Hz ±2 Hz
Power consumption:
Max. 100 VA
Overvoltage category:
II
■ Perform the following procedure to connect to the power supply.
1) Check that the voltage of the commercial power supply to be connected is within the
voltage range of this instrument.
2) Turn off the power switch of this instrument. The power switch is located on the rear
panel.
3) Connect the power cord to the power inlet on the rear panel of this instrument.
4) Insert the plug of the power cord into a power outlet with a protective ground contact.
5) Turn on the power switch on the rear panel. Leave the power switch on during normal
operation.
!
CAUTION
The power cord set that comes with this instrument is intended for use only with this instrument.
The power cord set should not be used with any other product or for any other purpose.
When connecting this instrument to the mains, be sure to use only the power cord that is
provided with this instrument.
If the power outlet voltage is greater than 125 V AC or you want to use the product in a
foreign country, consult with NF Corporation or its authorized agent.
When turning the power off and then back on, wait at least 1 minute before turning the
power back on.
■ In an emergency, the power cord can be used to disconnect this instrument from the mains.
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