User’s Manual Series
Instruments.uni-trend.com
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CAT II
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.
CAT III
Primary circuit of large equipment directly connected to the
distribution board and circuit between the distribution board and the
socket (three-phase distributor circuit includes a single commercial
lighting circuit). Fixed equipment, such as multi-phase motor and
multi-phase fuse box; lighting equipment and lines inside large
buildings; machine tools and power distribution boards at industrial
sites (workshops).
CAT IV
Three-phase public power unit and outdoor power supply line
equipment. Equipment designed to “initial connection”, such as
power distribution system of power station, power instrument, front-
end overload protection, and any outdoor transmission line.
Certification
CE indicates a registered trademark of EU
Certification
UKCA indicates a registered trademark of UK
Certification
ETL indicates a registered trademark of Intertek.
Waste
This product complies with the marking requirements of WEEE
Directive (2002/96/EC). This additional label indicates that this
electrical / electronic product must not be discarded in household
waste.
EFUP
This environment-friendly use period (EFUP) mark indicates that
dangerous or toxic substances will not leak or cause damage within
this indicated time period. The environment-friendly use period of
this product is 40 years, during which it can be used safely. Upon
expiration of this period, it should enter the recycling system.
Safety Requirements
Warning
Preparation before use
Please connect this device to AC power supply with the power cable
provided.
The AC input voltage of the line reaches the rated value of this
device. See the product manual for specific rated value.
The line voltage switch of this device matches the line voltage;
The line voltage of the line fuse of this device is correct.
Check all terminal rated
values
Please check all rated values and marking instructions on the product
to avoid fire and impact of excessive current. Please consult the
product manual for detailed rated values before connection.
Use the power cord
properly
You can only use the special power cord for the instrument approved
by the local and state standards. Please check whether the insulation
