User’s Manual UT5583 Insulation Resistance Tester
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Note
“Note” indicates important information. It reminds users to pay attention to
procedures, methods and conditions, etc. The contents of the “Note” should be
highlighted if necessary.
Safety Sign
Danger
It indicates possible danger of electric shock, which may cause
personal injury or death.
Warning
It indicates that you should be careful to avoid personal injury or
product damage.
Caution
It indicates possible danger, which may cause damage to this device
or other equipment if you fail to follow a certain procedure or
condition. If the “Caution” sign is present, all conditions must be met
before you proceed to operation.
Note
It indicates potential problems, which may cause failure of this device
if you fail to follow a certain procedure or condition. If the “Note” sign
is present, all conditions must be met before this device will function
properly.
AC
Alternating current of device. Please check the region’s voltage range.
DC
Direct current device. Please check the region’s voltage range.
Grounding
Frame and chassis grounding terminal
Grounding
Protective grounding terminal
Grounding
Measurement grounding terminal
OFF
Main power off
ON
Main power on
Power
Supply
Standby power supply: when the power switch is turned off, this
device is not completely disconnected from the AC power supply.
CAT I
Secondary electrical circuit connected to wall sockets through transformers or
similar equipment, such as electronic instruments and electronic equipment;
