Service Manual UTS1000/3000 Series
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Safety requirements
Warning
Prepare before
use
Please use the supplied power cord to connect this device to an AC power source;
The AC input voltage of the line complies with the rated value of this device; the
specific rated value is detailed in this product manual.
The line voltage switch of this equipment matches the line voltage;
The line voltage of the line fuse of this equipment is correct;
Do not use it for measuring main circuits.
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Ratings
In order to avoid fire and the impact of excessive current, please check all the ratings
and marking instructions on the product, and please refer to the product manual for
detailed information on ratings before connecting the product.
Use the power
cord correctly
Only use the instrument-specific power cord approved by the local country. Check
whether the insulation layer of the wire is damaged or whether the wire is exposed,
and check whether the test wire is connected. If the wire is damaged, please replace
it before using the instrument.
Instrument
grounding
To avoid electric shock, the grounding conductor must be connected to the ground.
This product is grounded through the grounding wire of the power supply. Before the
product is powered on, please be sure to ground the product.
AC power
requirement
Please use the specified AC power supply for this device. Please use the power cord
approved by the country where you are located and make sure that the insulation layer
is not damaged.
Anti-static
protection
Static electricity will cause damage to the instrument, and the test should be
performed in an anti-static area as much as possible. Before connecting the cable to
the instrument, briefly ground its inner and outer conductors to discharge static
electricity. The protection level of this equipment is 4kV for contact discharge and 8kV
for air discharge.
Measurement
accessories
Measurement accessories are lower-category measurement accessories that are
definitely not suitable for mains measurements and are definitely not suitable for
measurements on CAT II, CAT III, or CAT IV circuits. Probe assemblies and accessories
within the scope of IEC 61010-031 and current sensors within the scope of IEC 61010-
2-032 shall meet its requirements.
Proper use of
device
input/output
ports
The input and output ports are provided by this device, please make sure to use the
input/output ports correctly. It is forbidden to load input signals on the output port of
this device, and it is forbidden to load signals that do not meet the rated value on the
input port of this device. Ensure that the probe or other connection accessories are
effectively grounded to avoid equipment damage or abnormal function. Please check
the user manual for the ratings of the input/output ports of this device.
Power fuse
Use a power fuse of the specified specification. If it is necessary to replace the fuse,
the maintenance personnel authorized by Unilever must replace the fuse that meets
the specified specifications of this product.
Disassemble and
clean
There are no operator-accessible parts inside. Do not remove the protective cover.
Maintenance must be performed by qualified personnel.
Environmental
friendly
Environmental protection uses a period mark, this symbol indicates that
within the indicated time, hazardous or toxic substances will not leak or be
damaged. The product’s environmental protection use period is 40 years.
During this period, it can be used with confidence. It should enter the
recycling system after the specified time.
