NF FRA5022, Instruction Manual

Page: 27 / 145

2.3 Grounding and Power Supply Connection
FRA5022
2-9
2.3 Grounding and Power Supply Connection
■
Grounding
Take the following precautions to avoid risk of electric shock.
Before connecting the device for measurement, make sure the protective
grounding terminal is grounded.
The protective grounding terminal for
FRA5022
is the grouding pin of the
three-pole power cord. Make sure you insert the power cord's plug into a
three-pole power outlet with a protective grounding contact.
■
Power Supply
To ensure that
FRA5022
is not damaged, make sure to connect to the power
outlet after checking that the power voltage is within the specified range for
the
FRA5022
.
FRA5022
operates with the following commercial power supply.
Power voltage range: 100 to 230VAC
±
10
％
, not exceeding 250VAC
Power frequency range: 50/60Hz
±
2Hz
Maximum power consumption is 55VA.
Make sure that the power switch is set to OFF before connecting the power cord.
After powering off the device, make sure to wait for at least three seconds before
powering on again.
This device contains high-voltage parts. Never remove the cover.
The power code set can be used for disconnecting the product from AC power line in case of
emergency.
Maintain enough space around the inlet, to be able to remove the connector
of a power cord from the inlet. Use a power socket located at convenient
place with adequate space around so that the plug can be removed from
socket.
！
CAUTION
！
WARNING
！
WARNING
！
WARNING