Safety Signs - UNI-T UTS3000B/A Series User Manual

Safety Signs

Danger
Warning
Caution
Note
AC
DC
Grounding
Grounding Protective grounding terminal.
Grounding Measuring grounding terminal.
OFF
ON
Power
Supply
CAT I
CAT II
CAT III
It indicates possible danger of electric shock, which may cause personal
injury or death.
It indicates that you should be careful to avoid personal injury or product
damage.
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.
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.
Alternating current of device. Please check the region's voltage range.
Direct current of device. Please check the region's voltage range.
Frame and chassis grounding terminal.
Main power off.
Main power on.
Standby power supply: when the power switch is turned off, this device is not
completely disconnected from the AC power supply.
Secondary electrical circuit connected to wall sockets through transformers or
similar equipment, such as electronic instruments and electronic equipment;
electronic equipment with protective measures, and any high-voltage and
low-voltage circuits, such as the copier in the office.
CATII: Primary electrical circuit of the electrical equipment connected to the
indoor socket via the power cord, such as mobile tools, home appliances, etc.
Household appliances, portable tools (e.g. electric drill), household sockets,
sockets more than 10 meters away from CAT III circuit or sockets more than
20 meters away from CAT IV circuit.
Primary circuit of large equipment directly connected to the distribution board
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